Last Updated: 04/17/2012*
Creating paper sculptures through the art of origami not only takes keen eyes, but also takes mathematical formulae to properly fold each crease. For Daniela Flores-Rodriguez, her hobby of origami enables her to fold in her love of numbers with her passion for the Japanese art.
A MathMovesU® Middle School Scholarship winner, the Los Angeles native received a $1,000 college scholarship courtesy of Raytheon. Daniela wrote about her passion for origami for Raytheon’s MathMovesU Middle School Scholarship and Grant Program, which honors students and teachers who are passionate about science, technology, engineering and math.
The more than 200-year-old art of origami includes numerous mathematical challenges such as theorems of paper folding, designing subjects and creasing patterns.
“In origami, I need to know about symmetry,” she says in her presentation. “Most origami figures start out with a square sheet of paper, which has four lines of symmetry. That means there are four ways you can fold the paper so it looks symmetrical.”
* The content on this page is classified as historical content. See this important information regarding such content.


Fleas: Not Just “Man’s Best Friend’s” Problem - Could Effect Your Entire Family’s Health
FAIRFAX, Va. - Television commercials frequently tout the importance of protecting household pets from fleas. However, protecting the health of those family members who care for household pets is of equal importance. Fleas, which commonly appear in warmer months, feed on the blood of any warm-blooded body, thus posing a potential risk to the health and well-being of families within their own homes.
“Although, fleas are often associated with household pets, these pests can certainly affect human beings,” said Cindy Mannes, vice president of public affairs for NPMA. “Frequently, flea bites are itchy, unsightly and may cause allergic reactions in humans. With the recent increase in flea calls to pest control companies, it is important to protect your family from these potential health risks.”
NPMA experts offer these tips for help avoid flea infestations:
Clean and vacuum your home frequently to remove existing flea populations and prevent the laying of eggs.
Be sure to keep your lawn well groomed as this can thwart rodents, who are often flea carriers, from finding hiding spots and food sources so close to your home.
Fleas tend to travel with mammals on the move, including rodents. If you have a rodent problem in your home, fleas may be soon to follow. Call a pest professional to rid your home of both.
To protect your pets, keep them on a leash when outdoors. Be sure to bathe and groom your pets regularly.
Have your pets visit a veterinarian annually and use flea treatments according to directions.
“If you suspect a flea infestation in your home, be proactive in treating the problem and contact a licensed pest professional to rid your home of fleas and to prevent future infestations,” advises Mannes.
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News Release Distribution and Press Release Distribution Services Provided by WebWire.


When designing geothermal ground loops, this is an issue that a lot of people get hung up on. Because of the advantages of, we use parallel circuits in ground loops almost exclusively in our industry. Read more to hear why.
When loops are tied in series with one another, they will all see the full system flow rate (because there is only one flow path) and the pressure drop through the loops add together. Because there is only one flow path, the pump must overcome the pressure drop through each consecutive loop as the fluid travels through the system from the supply to the return line. The pump will be required to produce the combined pressure drop from the series loops at a shared flow rate.
In a parallel system, the flow through each loop will be the same. We add individual loop flows together to get the combined total system flow rate on the supply-return line back to the heat pump. The amount of pressure required to overcome friction losses through each loop (because they equally share the total system flow) will all be the same. The pump will be required to produce the combined flow rate from the parallel loops at a shared pressure.
In a series system, the total length of the well pipes would have to be figured in calculating head loss while in a parallel system only one loop needs to be calculated.
Parallel flow: Individual loop flow rate adds at a common pressure drop
Series flow: Individual loop pressure drop adds at a common flow rate
Advantages include: Single flow path and pipe size, higher thermal performance per foot of pipe, since a larger diameter pipe is required.
Disadvantages include: Larger water or antifreeze volume of larger pipe, higher price per foot of piping material, increased installed labor cost, limited length due to fluid pressure drop and pumping costs.


The Republic of South Africa, situated at the southern part of the African continent, was founded on 31 May 1961, away from British rule and introduced a decimal coin series as a result. However, the predecessor of the Republic was the Union of South Africa, formed on 31 May 1910 out of 4 British Colonies: The Transvaal, Free State, Cape Colony and Natal. The first Europeans, the Dutch (1652-1795, 1803-1806), settled in the Cape in 1652, after which the English came (1795-1803, 1806-1960). Today, after the democratic elections of 1994, South Arica has three Capitols, Pretoria as the executive, Cape Town as the Legislative and Bloemfontein as the judicial. In 1923 the first coins in the Pound Sterling series were issued, depicting the British Monarch. Like all Pound sterling series, 12 Pennies make a Shilling and 20 Shillings a Pound. With the introduction of the decimal series in 1961, decimal coins of equal size and value to the Pound series were produced to ease the transition (1961 to 1964). In 1965 the second decimal series were introduced, radically reducing the size of the coins. In 1989/90 the current and third decimal series of coins were introduced, again reducing size, introducing a circulation 2 Rand coin for the first time and the first 5 Rand coin to follow in 1994. The Kruger Rand, made of pure gold, was the first (starting in 1967) international investment coin produced worldwide, and is still very popular. The country has 11 official languages (resulting in 10 different spellings of the name South Africa), and these are rotated on the coins from year to year. With a size of 1,221,037 km² (471,445 square miles) it is the 24th largest country in the world, boasting a population of more than 57 million people. South Africa is the birthplace of the legendary Nelson Mandela, who served as president from 1994 to 1999.
See also: South Africa (pre-Union)
The Numista referee for coins of this issuer is Pcoetzee5.
A coin is missing in the catalogue? Add it yourself!


Image via Rachel’s Writings
An English contemporary of Beatrix Potter, Edith Holden was also a talented watercolor artist and naturalist. Although unpublished during her lifetime, Holden’s collectively titled Nature Notes for 1906 was posthumously published in 1977 as The Country Diary of an Edwardian Lady. Millions of copies of the vibrantly illustrated book now reside on shelves around the world.
Originally intended as a guide for her art students, the book is filled with observations and drawings of British Midlands flora and fauna. Dragonflies, wildflowers, birds, and even poetry grace the pages of The Country Diary of an Edwardian Lady.
Holden studied art as a youth, and her oil paintings did make their way into various exhibitions. Like Potter, Holden made her way in the art world as an illustrator of children’s books and magazines for a time, too.
Life and death centered around nature for Holden, who drowned while attempting to gather plant life off the Thames River. More than a century later, her talent persists through text.


In an effort to raise awareness for our planet's rapidly changing climate, musician Daniel Crawford created an auditory illustration of global warming in A Song of Our Warming Planet. Crawford took temperature data from NASA’s Goddard Institute of Space Studies and transcribed it into a cello composition. The resulting piece portrays the increasing urgency of climate change in audio form.
A Song of Our Warming Planet plots out each temperature data point from 1880 to 2012 in the form of music. Crawford used the annual averages to decide the pitch of each note. Since every note is a separate year, you can hear the temperature slowly creep up as the pitch increases.
The audio piece has been released with a Creative Commons license which means anybody can access it for free.
More Stats +/-
Melting Illusionary Cups
Domestic Iceberg Ads
Melting Board Games


The GDPR was created to regulate how businesses use data, ensuring it’s the same across the entire EU. Although it will apply to smaller businesses as well as large corporations, recent stories, such as the Cambridge Analytica scandal, have demonstrated how big organisations such as Amazon, Google, Twitter and Facebook are not strictly complying to a single set of rules.
The Data Protection Act 1998, the UK’s interpretation of the EU’s Data Protection Directive 1995, wasn’t envisaged with contemporary uses of data enabled by the internet and cloud, with people exchanging their personal data for use of ‘free’ services provided by the likes of Google, Twitter and Facebook, and GDPR aims to rectify this.
The second driver is the EU’s desire to give organisations more clarity over the legal environment that dictates how they can behave. By making data protection law identical throughout member states, the EU believes this will collectively save companies €2.3 billion annually. It should make complying less onerous for businesses, with them only required to meet one set of rules, compared to dozens of different implementations of the EU’s Data Protection Directive 1995.


Flooding in East Africa
Flooding in East Africa leading to life-threatening conditions
Help the people affected by the flooding in South Sudan and Somalia
An elderly man who couldn’t flee with his family had been sitting in a chair on a small spot of higher ground for nearly three weeks. In one community, five women have died during childbirth because there was no way to bring them to a medical facility. Families are perched on patches of land; eating only leaves and drinking contaminated water.
Flooding in East Africa are devastating areas that are already suffering.
Medair is responding in South Sudan and Somalia.
In South Sudan, nearly one million people have been affected. Their crops, nearly ready to harvest, have been destroyed. Their livestock, small herds which take years to build up, have drowned. The areas affected are those already experiencing high levels of hunger, food insecurity, and acute malnutrition in children.
In Somalia, high river levels have placed many flood-prone villages at high risk. Shelter structures are flooded, sanitation facilities damaged, food stores washed away, and a large number of crops are destroyed.
Priority needs are:
Shelter – Families have lost their homes and are in urgent need of safe shelter. Even the grasses normally used to rebuild have been destroyed.
Health and Nutrition – Flooding and standing water is exposing people to malaria and water-borne diseases. Crops have been destroyed and families affected by the floods urgently need food items. There will likely be an increase of malnutrition in the coming weeks.
WASH – The standing, contaminated water is increasing the risk of diarrhea, cholera and malaria. These are life-threatening. Families need household items, bars of soap, and supplies for decontaminating and storing safe water.
Please come alongside us to help the people of South Sudan and Somalia by giving
to our emergency fund. Your support will help ensure we are able to respond to the continuing needs of people affected by the floods.


He had reassembled the weapon in a bathroom and stepped out onto a fourth-floor walkway overlooking an atrium.
The PBS broadcast will also be screened for free, beginning at 9:00 p.m., at the David Rubenstein atrium at Lincoln Center.
He was wounded as he and a number of comrades exchanged fire with Alexis, by one account across the atrium.
1570s, from Latin atrium "central court or main room of an ancient Roman house, room which contains the hearth," sometimes said (on authority of Varro, "De Lingua Latina") to be an Etruscan word, but perhaps from PIE *ater- "fire," on notion of "place where smoke from the hearth escapes" (through a hole in the roof). Anatomical sense of "either of the upper cavities of the heart" first recorded 1870. Meaning "skylit central court in a public building" first attested 1967.
atrium a·tri·um (ā'trē-əm)
n. pl. a·tri·ums or a·tri·a (ā'trē-ə)
A chamber or cavity to which several chambers or passageways are connected.
Either the right or the left upper chamber of the heart that receives blood from the veins and forces it into a ventricle.
That part of the tympanic cavity that lies below the eardrum.
A subdivision of the alveolar duct in the lung from which the alveolar sacs open.


U.S. Carbon Dioxide Emissions Lowest Since 1992
U.S. carbon dioxide emissions during the first quarter of 2012 were the lowest since 1992, the U.S. Energy Information Administration (EIA) reports.
Contrast to Global Trends
The decline in U.S. carbon dioxide emissions provides a sharp contrast to global emission trends. In 2000, U.S. emissions totaled 5.9 billion metric tons, while global emissions totaled 23.7 billion metric tons. Accordingly, the United States accounted for 25 percent of global carbon dioxide emissions in 2000.
By 2010, the most recent year for which EIA has global data, U.S. emissions fell to 5.6 billion metric tons, while global emissions rose to 31.8 billion metric tons. Accordingly, the United States accounted for just 18 percent of global carbon dioxide emissions in 2010.
The first-quarter 2012 U.S. emissions numbers indicate the U.S. share will likely fall further to 15 percent of global emissions this year.
Chinese Emissions Growing
The 2010 numbers show China emitted more carbon dioxide than the entire Western Hemisphere. Chinese emissions approximately tripled between 2000 and 2010, while U.S. emissions declined. Preliminary data indicate Chinese emissions continued their steep rise between 2010 and 2012, while U.S. and Western Hemisphere emissions continued to decline.
China accounted for 12 percent of global carbon dioxide emissions in 2000, but that rose to 26 percent in 2010.
“Today in Energy,” U.S. Energy Information Administration, August 1, 2012: http://www.eia.gov/todayinenergy/detail.cfm?id=7350
“Total Carbon Dioxide Emissions from the Consumption of Energy,” U.S. Energy Information Administration: http://www.eia.gov/cfapps/ipdbproject/iedindex3.cfm?tid=90&pid=44&aid=8&cid=regions&syid=2000&eyid=2010&unit=MMTCD


Research shows that children who learn the facts about drugs and alcohol from their parents are significantly less likely to use them.
No child is immune from exposure to drugs and alcohol. Teen drug and alcohol abuse is prevalent in every community across Canada, and addiction has become a national crisis.
Children who aren’t properly educated about the dangers of drugs and alcohol are more likely to experiment and have a greater risk of addiction. Continue reading “HOW TO TALK TO YOUR CHILD ABOUT DRUGS AND ALCOHOL”


The post-storage quality of fruits depends on the ultrastructure of the outer tissues and on the fruit mineral composition (mostly on calcium). Pectins and their bonds with calcium play a central role in the tissues during ripening.
During senescence the middle lamella disappears from the cell walls, the fruits become soft and cell wall reticulation can be seen. There are changes within the cells too; plasmalemma separates from the wall, tonoplast from the cytoplasm, and plastids, mitochondria and nuclei are disorganized.
The ultrastructure of the skin and flesh of apples and pears were studied as a function of treatments (calcium, irradiation, calcium combined with irradiation), storage time and varieties. The texture and calcium content of the different parts of fruits were determined.
We established that low dose (1 kGy) irradiation induced softening in the fruit, dissolution of middle lamellae, wrinkling of cell membranes which generally remained intact, and retention of starch by plastids of the skin. Calcium treatment preserved the cell membranes and middle lammellae. The combined treatment preserved the cell compartments the best (with a lot of starch in the plastids; the cytoplasm remained essentially unchanged). At the same time this treatment could not prevent the breakdown of the middle lamellae in irradiated tissue.
Kovacs, E.; Keresztes, A.; and Kovacs, J.
"The Effects of Gamma Irradiation and Calcium Treatment on the Ultrastructure of Apples and Pears,"
Food Structure: Vol. 7
, Article 2.
Available at: http://digitalcommons.usu.edu/foodmicrostructure/vol7/iss1/2


Castle Block Set
A beautiful catalyst for building, storytelling or dramatic play, this wooden non-traditional castle puzzle inspires infinite fantasies, sparking the imagination without defining one direction. When assembled, the castle shape engages a child’s love for fairy-tales, a genre they’re naturally drawn to. It creates an opportunity to explore valuable feelings in a safe, fun environment, such as power (the mighty king or queen ruling the land) or uncertainty, courage (the dragon-slayer awaiting its foe). But that’s just one story—separate the wooden block pieces into their individual shapes and a new chapter unfolds. When not in use, it’s simply stunning.
Materials & Safety
Materials: Lindenwood, Non-Toxic Eco Paint
Safety: EN71, ASTM and CPSIA certifications
Care: Clean with damp cloth, do not soak as color transfer can occur
Complete the set
Play is okay! tip
Point out what you notice—it's a simple, powerful way to support and engage a child's curiosity. Share objective observations as your child builds such as, I noticed that you stacked the yellow block on top of the arch. "Noticings" validate their work, encourage conversation about process and let them know that you are paying attention.


In the 1880's, Detroit was the center of the industrial revolution, attracting businesses of all kinds from around the world. One of these was the Clayton & Lambert Manufacturing Company, formed in 1891 by two businessmen who made firepots, torches, and other heat tools. The company expanded into the automobile market in the 1910's, stamping fenders, hoods, gas tanks and radiators for the dozens of car companies that settled in Detroit. Automotive stamping became such a large part of the business that by 1919 it was spun off into a sperate division. A new factory on Conner was built for the Knodell Division, which specialized in stamping and metal work.
In 1925, Clayton & Lambert sold the Knodell Division and the Conner stamping plant to the Hudson Motor Car Company. Hudson began expanding the plant, enlisting architect Albert Khan to design multistory additions to the existing buildings. The Conner plant would supply new Hudson factories located to the south, part of a corridor of auto production that would revolutionize the industry.
By 1954, Hudson had merged with Nash-Kelvinator to form American Motors. Production of Hudson cars and parts was moved to other factories in Wisconsin, leading to the closure of the Conner plant. In 1956, Cadillac bought the former Hudson plant to make body panels for its cars. A large building to the south was added between 1961 and 1967. Between 1967 and 1973 the space between buildings was fitted with a roof and converted into a warehouse.
In later years, the plant was known as the BOC Conner Stamping plant, making parts for Buick, Oldsmobile, and Cadillac cars. By the 1980's though the multistory plant was becoming dated, and was less efficient than more modern single-story factories. In 1986 General Motors announced that it would be closing the Conner plant in one year, along with 10 other factories. 700 employees at the Conner plant were laid off.


The automated control of a process. Process control is used extensively in oil refining, chemical processing, electrical generation and the food and beverage industries where the creation of a product is based on a continuous series of processes being applied to raw materials.
Such systems typically deal with analog signals from sensors and meters that are transmitted to specialized computers which cause the temperature, pressure and flow to be continually adjusted (see DCS and PAC). Process control makes extensive use of analog/digital and digital/analog conversion. See process controller, control loop and industrial automation.


No Course Prerequisites.
Duration: 1/2 day
What will you learn during the Emergency First Response course ?
Primary Care (CPR)
This course teaches you the steps and techniques for handling life-threatening emergencies. You’ll practice eight skills for aiding patients who aren’t breathing, have no heartbeat, may have a spinal injury, may be in shock or who may have serious bleeding. You’ll learn to how to perform CPR and continue to monitor the patient, so that you provide every possible chance of survival while waiting for emergency medical services to arrive.
Secondary Care (First Aid)
Because many medical conditions are not life-threatening and emergency medical services are sometimes delayed or unavailable, this course teaches you how to provide first aid that eases pain and reduces the risk of further harm. You’ll learn to assess a variety of injuries and illnesses and practice bandaging and splinting.
Care for Children
This course allows participants to learn, practice and apply emergency care skills specific to helping infants and children with medical emergencies. It’s designed for those who work with children or are likely to have to respond to emergencies involving youngsters. This course is an option
CPR & AED
This course focuses on CPR training and teaching participants how to use an AED (automated external defibrillator). When workplace or governmental requirements specify this training, the CPR & AED course meets the need. This course is often integrated into First Aid at Work programs.
It’s a good idea to refresh your CPR and first aid skills every 24 months. And that’s exactly what the EFR Refresher course is designed to do. Focusing on key skills, the course allows you to stay up-to-date and ready to lend aid when needed.


ABCs of DNA: Unraveling the Mystery of Genetics Information for Consumers
Consumers need access to information and resources about genetic information in a manner that is understandable. Librarians working with the public need to be aware of the issues surrounding genetics and resources to assist patrons in locating and evaluating sometimes complex and confusing information. This class explores basic concepts such as genes and chromosomes and offers an overview of genetic disorders, genetic testing, genetic counseling, and the Human Genome Project. Ethical and legal issues associated with genetic disorders will be covered with regard to privacy, discrimination, and potential legislative impact on medicine and society. A variety of reliable health information resources will be demonstrated, including, but not limited to: Genetics Home Reference, ClinicalTrials.gov, NORD (National Organization for Rare Disorders), and MedlinePlus. This 4-hour hands-on class is intended for consumers, public librarians, and health sciences librarians who work with the public. This class is also offered online.
- This class has been approved by the Medical Library Association for 4 (in person) and 8 hours (online) contact hours of CE credit.
- MLA Course Listing
- This will be offered via the Moodle platform.
Terri Ottosen is the former Outreach and Education Coordinator of the NNLM SEA.
There are no archived recordings of this class
There are no upcoming classes


This year alone, Brazil has suffered “72,843 fires with more than half in the Amazon region,’the National Institute for Space Research (INPE) said. That’s more than an 80% increase compared with the same period last year.The Amazon is often referred to as the planet’s lungs, producing 20% of the oxygen in the Earth’s atmosphere. “
The Amazon is often referred to as the planet’s lungs, producing 20% of the oxygen in the Earth’s atmosphere and critical to curbing Climate Change.
Environmental groups blame Brazil’s far-right, pro-business president Jair Bolsonaro for endangering the rain forest. They cite rolling back environmental policies to make way for deforestation for economic development have caused the recent fires.
However, Bolsonaro recently lied and blamed non-government groups for intentionally setting the forest ablaze to draw “international criticism to his government.”
Activists have warned that if the Amazon continues on this path, it will become a desert inhabitable to most native wildlife. It would no longer produce oxygen but could emit carbon, “the major driver of climate change.“


One way Spanish for You! builds conversation skills is by teaching students to ask and answer questions. This includes questions that practice verbs, grammar, and common words and phrases. One thing I like to do as a class warm up is have students "mingle" asking and answering questions to each other.
Before class begins I write several questions on the board (about 6 to 8) that I know the students know how to answer. For example, I might write all the common words and phrases questions they have been learning, like "¿Cómo estás?, ¿Cómo te llamas?, ¿De dónde eres?, ¿Cuántos años tienes? etc. I might also include a few questions using verbs and vocabulary questions they have been learning from the Spanish for You! curriculum, like ¿Juegas con los juguetes?, ¿Limpias el cuarto?, ¿Escribes en el papel?, ¿Miras el sol? and so on. (These are questions using material from my Mi vida and Estaciones themed packages.)
Then I have students come together in the middle of the room and "mingle". They have to ask a different question to a different person until they have asked all the questions. The other person has to answer in a full sentence, or if that is too hard, with a one word or phrase answer.
This is a great warm up and gives the kids a chance to "converse" in a comfortable way because they are using things they have been learning and know pretty well.
Oh, and if you are looking for a Spanish curriculum for your homeschool or to teach classes, take a look at Spanish for You! It is simple, effective, and affordable!


Yet despite the advantages and convenience provided by using laptops, some are wary about the possible health risks associated with it. People in the IT industry may not admit it, but research studies continue to warn the public about the risks laptops pose to fertility issues.
Based on a study conducted by researchers from the State University of New York, laptop use can cause an increase in temperature in the scrotum, which can have damaging effects on sperm production, motility, and fertility.
According to ScienceAGogo, placing laptop gadgets on the lap can increase testicular temperature to 2.7°C. It has been reported in previous studies that increases in the scrotum's temperature of 1°C to 2.9°C have been linked to a significant negative effect on fertility and sperm production.
In addition to the health risks posed by laptop use are pain in the wrist, shoulders, neck, and back.
When I was surfing the internet I stumbled on a site that is a highly advanced medical plan provider which caters online consultation services like ask a doctor online for health concerns in a secured real-time environment.


A variant of Quidditch, Quodpot was invented in the eighteenth century by Abraham Peasegood, and is the most popular wizarding game in the United States. Peasegood travelled to the United States from England, and, during the trip, his wand came into contact with a Quaffle in his trunk. The resulting interaction meant that, when he took the Quaffle out and began throwing it around, it exploded in his face. Having a lively sense of humour, Peasegood and his friends set about recreating the effect on a series of leather balls, and the game of Quodpot was born.
Centred around the explosive properties of the ball, known as the Quod, a game of Quodpot is played between two teams with eleven players each. The players attempt to get the Quod into the pot at the end of the pitch before it explodes. When the Quod is safely in the pot - which contains a solution to stop the Quod from exploding - the scorer's team gets a point and a new Quod is brought into play. Any player in possession of the Quod when it explodes must leave the field of play.
Behind the scenes
- It could be argued that Quodpot, and its relationship to Quidditch, is a tongue-in-cheek reference to the state of sports in the real world, where sports that are popular in Europe (such as Association Football, Cricket and Rugby) are not as popular in North America, whilst sports popular in North America (such as Gridiron Football, Basketball, Baseball, and Hockey) are also not overly popular in Europe.


Many tasks are trivial for humans but continue to challenge even the most sophisticated computer programs. Traditional computational approaches to solving such problems focus on improving artificial intelligence algorithms. Here, we advocate a different approach: the constructive channeling of human brainpower through computer games. Toward this goal, we present general design principles for the development and evaluation of a class of games we call “games with a purpose,” or GWAPs, in which people, as a side effect of playing, perform tasks computers are unable to perform.
A paper from Yahoo researchers, Thumbs-Up: A Game for Playing to Rank Search Results, describes a game that they developed and tested internally at Yahoo to allow participants to compete against each other in ranking how relevant pages are for specific search queries.
To play the game, players start by logging in, and are randomly matched with another player.
They are shown the same query term or phrase, and images of two web pages that are supposed to be relevant for the query. To score points, the players have to agree on the same page as being the most relevant for the query.
The paper quoted at the start of this post is cited in the Yahoo paper, and is co-written by Luis von Ahn, who was behind the development of the ESP game. He describes a number of other games with a purpose that have been developed since.
Would you play “Thumbs-Up” if Yahoo released it to the public?


|Fallopian tube||medical dictionary|
The Fallopian tubes normally transport the egg of the female from the egg sac, or ovary, to the womb, or uterus. Normal tubes have small hair like projections on the lining cells called cilia. These cilia are important to movement of the egg through the Fallopian tube and into the uterus. If the tubal cilia are damaged by infection, the egg may not get 'pushed along' normally and can settle in the tube. Likewise, if infection causes partial blockage of the tube with scar tissue, this can also act to prevent the egg from getting to the uterus.
Any process that narrows the tube and thus decrease the calibre of the passage way can increase the chance of an ectopic pregnancy. Examples of these would be endometriosis, tumours, or scar tissue in the pelvis (pelvic adhesions) that cause twisting or chinking of the tube.
(27 Feb 2009)
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In Apterygota muscles are attached to the cuticle by a series of discrete structures. The junction of the muscle and epidermal cells is demarcated by regular interdigitations of the two tissues, with desmosomes lining these processes. Within the epidermal cells, microtubules link up the desmosomes of the interdigitated region with dense material associated with cone-like depressions in the apical plasma membranes of the epidermal cells. Each of these ‘conical hemidesmosomes’ is situated opposite a pore canal. From within each cone, an electron-dense ‘muscle attachment fibre’ extends up the corresponding pore canal through the procuticle and is inserted on the epicuticle. There is no direct link between the microtubules and the muscle attachment fibres. The muscle attachment fibres are slightly elliptical in cross-section, and are twisted, this twist being in phase with the orientation of the chitin-protein microfibrils forming the lamellae of the procuticle. The attachment fibres are straight, and not helically arranged; patterns obtained in oblique sections of procuticle including these structures support the twisted ribbon model of pore canal shape. The cuticle, particularly in Thysanuran and Dipluran intersegmental membrane, displays the parabolic patterning typical of softer insect procuticle and procuticle deposition zones. The epicuticular insertion of the muscle attachment fibre is characterized by a pit in the cuticulin layer, the fibre passing through the middle of this pit.
The microtubule-associated conical hemidesmosomes appear to be cytoskeletal in function. The muscle attachment fibres are rigid structures which are not digested by the moulting fluid enzymes. New muscle attachment fibres may only become attached to the epicuticle during its formation. The structures described in regions of muscle attachment in Apterygota are similar to those recorded for other arthropods.


In Java if we see there are lot of new frame works are coming in to the picture which are using to develop secure and high performance and easy enterprise applications like Struts,Struts2, Spring ..etc, but if you see in every java framework we can find servlet components. Servlets playing a significant role in frameworks especially in controlling mechanism, in struts we are using servlet as Frontcontroller (org.apache.struts.action.ActionServlet) ,in Spring MVC also we are using servlet as controller.
So let us have some examples in servlets and jsp technology here , and will see the new feature come up in new versions.
Basic HelloWord programs in Servlet versions.
- HelloWorld Example in Servlet 2.5 – Explains how to write simple servlet as per 2.5 version.
- ServletConfig Example in Servlet – Explains how to use ServletConfig interface in Servlet based applications
- ServletContext Example in Servlet – Explains how to use ServletContext interface in Servlet based applications.


Map size in jpg-format: 44.7833MiB
Click to open in high resolution (open in new tab).
Navigating The Northeastern Seaboard
Detailed coastal chart of the Northeastern part of the United States and part of Canada, reduced from Cyprian Southack's seminal 8 sheet chart that made up The New England Coasting Pilot, one of New England's most knowledgeable and experienced pilots.
The map is based on Southack's unobtainable The New England coasting pilot (circa 1729), which included a massive 8-sheet plan of New England from Sandy Hook to Nova Scotia. This iteration was included in Mount & Page's The English Pilot, The Fourth Book, from xxx to XX.
Mount & Page's The English Pilot, The Fourth Book, was the published for over a century and defined American sea chart compilations until the mid-18th century.
Southack (1662-1745) was one the foremost early mapmakers in America. His most famous map was the first map engraved on copper in the American colonies, A New Chart of the English Empire in North America (1717). That map is completely unobtainable.
If you are a student, write to us in telegram: @antiquemaps and indicate what material you need and for what work you need a map in high detail. We are ready to provide material on special terms. For students only!


Dysfunction in one of the four heart valves—mitral, aortic, tricuspid, or pulmonary—leads to heart valve disease. Normally functioning valves ensure that blood flows in one direction. When dysfunction of the heart valves occurs, the valves may become narrow (valvular stenosis) or may leak (valvular regurgitation). This can lead to chronic heart problems including heart failure, shortness of breath and chest pain, or enlargement of the heart chambers.
Learn more about the types of heart valve diseases:


Preface to special section on Beaufort Gyre Climate System Exploration Studies : documenting key parameters to understand environmental variability
Krishfield, Richard A.
Barber, David G.
MetadataShow full item record
Author Posting. © American Geophysical Union, 2009. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Journal of Geophysical Research 114 (2009): C00A08, doi:10.1029/2008JC005162.
Showing items related by title, author, creator and subject.
Brothers, Laura L.; Hart, Patrick E.; Ruppel, Carolyn D. (American Geophysical Union, 2012-08-07)Starting in Late Pleistocene time (~19 ka), sea level rise inundated coastal zones worldwide. On some parts of the present-day circum-Arctic continental shelf, this led to flooding and thawing of formerly subaerial permafrost ...
Ruppel, Carolyn D.; Herman, Bruce M.; Brothers, Laura L.; Hart, Patrick E. (John Wiley & Sons, 2016-11-04)Borehole logging data from legacy wells directly constrain the contemporary distribution of subsea permafrost in the sedimentary section at discrete locations on the U.S. Beaufort Margin and complement recent regional ...
Western Arctic Shelf-Basin Interactions Experiment : processing and calibration of moored profiler data from the Beaufort Shelf Edge mooring array Fratantoni, Paula S.; Zimmermann, Sarah; Pickart, Robert S.; Swartz, Marshall (Woods Hole Oceanographic Institution, 2006-12)A high-resolution mooring array was deployed at the edge of the continental shelf in the Beaufort Sea as a part of the western Arctic Shelf-Basin Interactions Program, a multidisciplinary experiment that was designed to ...


How to Make the Armor of God Craft
- Glue sticks or paste
- Markers or crayons
Students can either color the pieces of the armor of God before or after they cut them out. Have students cut out the pieces of the armor of God and then glue them in the appropriate places on the stick figure.
Walk through the armor of God in Ephesians 6:10-20 and have the students label each piece as you read.


Each year, Boeing employees volunteer nearly 10,000 hours working on environmental causes to improve the communities. To commemorate Earth Day this spring, one group in Renton. Wash. worked with water conservation experts from the Snohomish Conservation District to learn how to build rain barrels out of recycled 55-gallon drums at “pop up” events around Puget Sound from Everett to Auburn.
The barrels reduce water use by harnessing and holding rainwater while minimizing groundwater contaminants. They also help with conservation when the contained water is used for irrigating lawns, gardens or plants.
During a storm, rainwater flows over surfaces and often picks up pollutants that can range from chemicals used on buildings, like paints or stains, to bacteria from birds and other animals.
“Rain barrels help reduce potential stormwater pollutants that can end up in groundwater or flow out to Puget Sound,” said volunteer Cameron Coronado from the Snohomish Conservation District. “It’s also exciting coming to an event like this and seeing how committed to water conservation Boeing’s employees are.”
“Getting people educated and getting them to understand the importance of taking care of stormwater,” said Boeing Environment Director Steve Shestag, was also a big part of the event. The finished barrels were sold to Boeing volunteers and the general public for home installation.
Learn more about Boeing’s Environment goals and initiatives here.


SUPER Dream Fulfilled?
It was always the intention of SUPERFLEX to maximize the distribution of their artworks, rather than conform to the old fine art adage that values is a product of 'uniqueness' and 'rarity'. Their project "SUPERGAS" seems to be heading in precisely this direction. Malmo Sweden recently announced that its organic waste will now be turned into biogas. It anticipates that 66% of the fuel for the city bus system (and lots of fertilizer) will be produced in this manner. The goal is to achieve 100% which became possible when separating waste became mandatory this year. Signage on buses announce that personal waste = civic fuel. Malmo is also converting waste to energy for the district heating that serves most of the city.
Meanwhile, if you can be in Brooklyn on the weekend of April 26th-27th,you could take a biogas workshop with David House, the author of The Complete Biogas Handbook
(referred to by some as “the bible of biogas”).The impressive benefits of biogas not only accrue to the environment, but to individuals. A $30 kit enables people to build their own biogas digester. The new, inexpensive, well insulated, 2 cubic meter digester design will be shown, and every participant will be given plans showing how to build it from widely available low-cost materiasl: a $175 value! If these digester cores are kept warm and well fed, they can produce enough gas for a family of 2 or 3 to cook all their meals, just as SUPERFLEX demonstrated. The kits do not include insulation, a gas storage unit, stoves or other appliances.
The promotional material explains: "Biogas is “the original natural gas”. Put together materials similar to those used in making a compost pile, keep the stuff warm, wet, and away from the air, and bingo: a burnable gas is produced. Use it anywhere you might use fossil natural gas, but without the fracking."


The purpose of screening is early diagnosis and treatment. Screening tests are administered to people who may be at high risk for certain diseases or conditions, but do not have any symptoms.
There are no standard tests or current guidelines for kidney cancer screening. However, if you have any risk factors for kidney cancer, your doctor will want to discuss them with you to help reduce your risk. Those with higher than average risk of kidney cancer include people with Von Hippel-Lindau disease or those receiving dialysis for other kidney diseases.
Imaging tests are used to evaluate the kidneys and nearby structures for tumors. These tests may include: CT scanMRI scanUltrasound
Talk to your doctor about your kidney cancer risk and any tests you may need.
Kidney cancer (adult)—renal cell carcinoma. American Cancer Society website. Available at:
Accessed December 22, 2015.
Last reviewed May 2016 by Mohei Abouzied, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
Copyright © EBSCO Publishing. All rights reserved.


Learn at Home Positive Postcards for Remote Learning
Connect with students during shelter-in-place remote learning and share five fun activities with these engaging and practical postcards.
• LEARN AT HOME POSITIVE POSTCARDS REMIND FAMILIES and students that your class learns everywhere, including at home.
• FIVE FUN ACTIVITIES This postcard coaches kids to do five fun, SEL-centered quick tasks like learning a new word each day, boosting their self-confidence!
• THINKING OF YOUR STUDENTS is easy with these great, colorful elementary-school postcards that let you quickly remind students that you ARE always thinking of them!
• 50 POSTCARDS 6" x 4" with a blank reverse side for a note, address label, and postage.
• EASY TO PERSONALIZE with the triple-track write-on-line in the pencil-shaped house. Quickly add each student's name and sign yours on the line at the bottom.
• IT'S EASY TO CONNECT with your little learners once a week!


National Cyber Awareness System:
Safeguard Websites from Cyberattacks (REPOST)
Original release date: January 21, 2020
Protect personal and organizational public-facing websites from defacement, data breaches, and other types of cyberattacks by following cybersecurity best practices. The Cybersecurity and Information Security Agency (CISA) encourages users and administrators to review CISA’s updated Tip on Website Security and take the necessary steps to protect against website attacks.
For more information, review:
- CISA Insight: Enhance Email and Web Security,
- National Institute of Standards and Technology (NIST) Special Publication (SP) 800-44: Guidelines on Securing Public Web Servers, and
- NIST SP 800-95: Guide to Secure Web Services.


Biography: Weir is best known for his American impressionist paintings. The son of painter Robert Weir, Julian Alden Weir was raised in West Point, New York, where his father worked as the art instructor for the Military Academy. Weir trained at the National Academy of Design in the 1870s before enrolling at the École des Beaux Arts in Paris in 1873, where he studied with Jean-Léon Gérôme and befriended Jules Bastien-Lepage. Weir worked in an academic style and found the paintings of the French Impressionists horrible at the time. He returned to New York in 1877 and joined the fledgling Society of American Artists. He painted portraits and taught at the Cooper Union and the Art Students League. In the 1880s he moved to a farm in rural Connecticut, bringing him closer to his friend John Twachtman. Like Twachtman, Weir began to experiment with impressionist methods. In 1898, Weir, Twachtman, and eight other artists united to form The Ten, a coterie of American impressionist painters who held annual exhibitions as a group.


A Baltimore Atrocities Writing Exercise from John Dermot Woods
The word atrocity can suggest something that is foreign, removed. We owe it to ourselves and our neighbors to become intimate with atrocity, to remember that it is close and that it comes in all shapes and sizes. Here’s an exercise in bearing witness to atrocity:
1. Go somewhere in your own city or town, a place you go to or go by often.
2. Write down a list of ten people and objects that you observe in that place. (2 min.)
3. Circle one of these people or objects.
4. Write its (or hers or his) name on another sheet of paper.
5. Consider what experience haunts this person or thing more than any other. Think of the memory that comes forward and makes the person or thing turn cold even in the most hopeful moments.
6. Describe the moment in one sentence. (2 min.)
7. Write down seven questions about that moment. (2 min.)
8. Answer those questions. (5 min.)
9. Write about that moment without stopping or thinking for 8 minutes.
This is your testimony.
- Half Revealing, and Half Concealing the Soul: Barrett Warner Interviews Cassie Pruyn - October 25, 2017
- This Thing Called Thunderclap Helped Me Reach 1 Million People About My Book (Not Really, But Kind Of) - April 25, 2017
- 5 Poems by Michael Glaviano - February 6, 2017


The adult caddisfly assemblages of Drummond Island, a Michigan island in Lake Huron near the Canadian border, were sampled in 2021–2022 from 3 sites on Lake Huron, 8 inland lakes, 2 vernal pools, and 1 stream. Adult caddisflies from each site were sampled in spring, summer, and autumn using ultraviolet blacklight traps. A total of 89 species representing 37 genera and 12 families was collected, including several not seen in Michigan for 50–70 years and the first confirmation of the rare species Beothukus complicatus (Banks) (Phryganeidae) from the state. A non-metric multidimensional scaling ordination determined distinct species assemblages between lakes, vernal pools, and the stream, but no difference between inland lakes and Lake Huron sites. Based on total organic biomass, all 4 habitat types were dominated (60–90%) by shredders, particularly those in the family Phryganeidae. Total species richness was lower on Drummond Island than within other Michigan areas where rigorous recent sampling has occurred, possibly due to it being an isolated island. This study provides some of the first data on the caddisfly assemblages of undisturbed lakes in a Nearctic temperate environment and demonstrates the importance of caddisfly shredders in lake habitats.
Houghton, David and Haack, Robert
"The Caddisflies (Trichoptera) of Drummond Island, Michigan, With an Assessment of Lake Assemblage Biomass,"
The Great Lakes Entomologist, vol 56
Available at: https://scholar.valpo.edu/tgle/vol56/iss1/7


The brain is made up of an inconceivable number of cells.
An "enchanted loom" is how Charles Sherrington described the interconnected net of cells that makes up our three-pound control center. Indeed, there is something almost magical in the notion that all our mental processes, from perception to memory to consciousness itself, can be described entirely by cellular activity in the brain.
The basic functional unit of the brain is the neuron, a special cell that sends electrochemical signals to other neurons (across a "synaptic gap") and thereby creates those patterns that make up what we think of as the mind.
The complexity of the task requires a fairly inconceivable 100 billion neurons, interconnected via trillions of synapses. A single firing neuron might communicate to thousands of others in a single moment. No computer comes close to the complexity of these communicating bits of organic matter.
What's more, for each neuron there are some 10 to 50 glial cells providing structural support, protection, resources and more.


Avoiding store-bought foods known to be connected to outbreaks of listeriosis or salmonella is one way to prevent illness. But consumers can do more by keeping the temperature of their refrigerator at 40°F or lower and the freezer at 0°F or lower.
Listeria monocytogenes can grow in foods in the fridge. Use an appliance thermometer to check the temperature regularly.
Source: Centers for Disease Control and Prevention
+ Learn about Healthy Eating with Nutritional Analysis


Students in grades 4-6 often do a study of Canada. In Grades 4 and 5 for example, students explore the different regions of Canada in Social Studies. They often do an in-depth study of the landforms, physical characteristics of different regions of Canada, as well as its varied climate and abundance in natural resources. So, what does Canada feel like? What does it taste like? What does it look like? How do our senses let us experience Canada as a nation? By using sensory imagery as a literary device, students are able to develop deeper, multisensory understandings to what they have been working on. The results are actually quite stunning and make excellent visual displays if connected to artwork.
In this lesson, students will have opportunities to:
- Identify characteristics that are unique to a particular region in Canada (ie. trees, climate, species, landmarks, natural landforms, cities, bodies of water).
- Brainstorm sensory images and key characteristics that reflect a particular region or province of Canada.
- Identify vibrant adjectives that are representative of the region / province.
- Write descriptions that use concrete sensory details to create impressions that last in one's mind.
- Use poetic devices, such as, alliteration or similes, within imagery as an extension acitivity.
- Write a poem collaboratively, so that students share and exchange ideas together.


Recent television and billboard adverts for a certain brand of mouthwash have started to draw attention to the danger of gum disease, especially when it comes to the links it has with tooth loss. It is about time that the public took notice of this warning because too often the health of gums is sidelined by a focus on teeth that is well-meaning but misses out a crucial aspect of good oral hygiene.
The fact is that taking care of your gums is just as important as looking after your teeth and it is just as simple. The key to having healthy gums is to make sure that plaque is removed from the gum line of teeth. This is mostly achieved by the brushing that is routine for a great many people. But something that is missed out all too often is flossing. Plaque easily gets into the gaps between teeth, as well as sticking to the surfaces of teeth. This has to be removed with as much urgency as the plaque that is on the surfaces of teeth and yet the bristles of tooth brushes are not equipped to get there. Pulling dental floss through the gaps should take care of it.
The gum disease that is to be avoided starts off as gingivitis: a relatively benign condition that manifests itself as slightly reddened gums that are a little more sensitive to extremes in temperature. This condition can be easily cleared up with better brushing and flossing and sometimes the use of certain mouth washes or antibiotics.
Where gum disease can cause tooth loss is cases when periodontitis occurs. Here the inflammation spreads to the jaw bones and the painful, swollen gums start to recede dangerously. Get help from your London W1 dentist is the best advice when it comes to your gums.


The University of Alberta's Earth and Atmospheric Sciences Department hosted "Earth Observation Sciences Day," in which student researchers presented their work to an audience of their peers.
The event was organized by Dr. Arturo Sanchez-Azofeifa, UofA professor and principal investigator for the GeoChronos project, for which Cybera is a project partner. The event featured a keynote presentation by Marc Lee Imhoff of NASA's Goddard Space Flight Centre in Maryland.
Imhoff's presentation drew on some fascinating and illustrative satellite imagery of the earth's climate and ecosystems to explain that the placement, structure and style of development that urban places undergo directly impacts the biological resources (food and fiber production), hydrology, and the Thermal environment of those places. His diverse array of data and imagery demonstrated the importance of access to this type of data for urban planning an other applications, as well as the far distance that science and technology has come to support earth observation research. He stressed that land use and urban development is a resource management issue.
Researchers in this field now have the tools to look at our planet as a whole system, and use the resources of earth observation to guide how urbanization affect global change.


Canaletto (Giovanni Antonio Canal) (Italian, Venetian, 16971768)
Pen and brown ink, gray wash; 12 2/5 x 22 1/8 in. (31.6 x 56.2 cm)
Robert Lehman Collection, 1975 (1975.1.297)
Canaletto's highly detailed, topographically accurate panoramic views were greatly admired and avidly collected by English visitors to Venice, who acquired them as souvenirs of the Grand Tour. In 1746, when demand for Canaletto's work in his native city declined, he traveled to England. He remained there for nearly a decade, producing characteristically descriptive views of London and the English countryside. The artist completed five paintings of Warwick Castle, the subject of this scenic drawing, for Francis Greville, Lord Brooke and later earl of Warwick. The Lehman sheet appears to have served as a preparatory design for the canvas now in the City Museum and Art Gallery, Birmingham, one of two versions depicting the castle from the east.


EndNote Basic and Desktop support: Citations & Bibliographies
Download the Cite-While-You-Write Add-in
Cite-While-You-Write (CWYW) is an add-on for Microsoft Word that allows you to insert & format in-text citations & bibiolographies from your EndNote Basic library. Download and install the plug-in by clicking the Cite While You Write link in the Format tab. The plug-in is available for Word for both Windows and Mac computers.
Creating Stand-alone Bibliographies
Need to create a stand-along bibliography? You export a bibliography as a .txt, .rtf, or html file.
1. On the Format tab, click Biblography and then click the Select Favorites link
2. Use the Select Favorites menu to save the APA 6th and MLA styles. Click on the style you want to save in the right column and then click the blue Copy to Favorites button. When you are done, click the Hide link in the upper right corner
3. Choose the group whose References should be in the bibliography (if the references are in multiple groups, make a single group with all of the items you want to include), the Bibliographic Style you want to use, and the File format for the document. You can Save the file, E-mail it, or Preview & Print it.
Inserting Citations into Word Documents
1. Click on the EndNote Web tab in Microsoft Word.
2. Move your cursor to where the in-text citation should be.
3. Click the Insert Citations icon.
4. Enter a word (author name, for example) in the search box to bring up the citation you want.
5. Select the correct citation.
6. Click Insert.
7. EndNote Basic includes many of the most common citation styles, such as APA, Chicago, & Vancouver.
CWYW creates an in-text citation and a bibliography for you. Remember to double check the formatting of the citations & bibliography.


Find more Svitek relatives and grow your tree by exploring billions of historical records. Taken every decade since 1790, the U.S. Federal Census can tell you a lot about your family. For example, from 1930 to 1940 there were 1 more person named Svitek in the United States — and some of them are likely related to you.
What if you had a window into the history of your family? With historical records, you do. From home life to career, records help bring your relatives' experiences into focus. There were 35 people named Svitek in the 1930 U.S. Census. In 1940, there were 3% more people named Svitek in the United States. What was life like for them?
In 1940, 36 people named Svitek were living in the United States. In a snapshot:
As Svitek families continued to grow, they left more tracks on the map:


View Full Version : How Do You Make Your Own Sound?
OpenGL has nothing to do with sounds..
OpenAL is an audio library that have a similar syntax, but still it doenst have any real connection with Opengl.
basically you generate sounds by generating a soundwave into a buffer, and send that buffer to the soundcard with an dexcription on how fast it should read the values from that buffer and change the DAC to the speakers to the buffers value.
09-10-2003, 01:22 AM
If u are talking about creating sounds that u can use in your applications, then this might help you.
If you play any instrument and its electronic, it will most probably have a MIDI output port that you can connect to your PC. Pianos can create a whole host of sounds and you can use software (some might be available on the net) to record those sounds by using the MIDI port of the instrument and your PC.
If you are not a musician, then you can use software which allow you to create sounds by varying the frequency, chords and other parameters. They allow you to compose the music entirely on the PC but again, you need to have atleast some knowledge of Music.
Or you can use readymade sounds from the net.
After the music is ready, as already pointed out, you use OpenAL to include it in your applications.
Hope this helps.
or simply use one those API by a google search :
they provide sync, fft datas etc http://www.opengl.org/discussion_boards/ubb/wink.gif
Stv / Razor1911 demodivision.
As far as i can tell FMOD is the best sound API, because it is very easy and can load a lot of sound formats (OpenGL can only read wav files, at least when i tried it out).
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German agriculture officials said yesterday that raw, locally grown beansprouts had been identified as a likely cause of the devastating E.coli epidemic which has killed 22 people and infected more than 2,000 since it began more than a fortnight ago.
Announcing the discovery at a hastily convened press conference in Hanover, the agriculture ministry in the state of Lower Saxony said it had traced the beansprouts to a farm near Uelzen which grew and distributed them. It said the farm had been closed.
"The beansprouts have been identified as the product that is likely to have caused the outbreak," Gert Hahne, a spokesman for the ministry, said. "Many restaurants that suffered from an E.coli outbreak had those sprouts delivered."
The ministry said two female workers at the farm had contracted diarrhoea and traces of the E.coli bacteria had been found in specimens taken from one of the women. The farm produced 18 types of beansprout which were mixed with salads for raw consumption.
Investigators said the sprouts were grown in special containers at 38C. "This is an ideal temperature for bacteria to grow," a ministry spokesman said. He said it was possible that some of the seeds for the beansprouts, which were imported, may have contained the bacteria on arrival or that the water used for the plants was contaminated.
The German government initially claimed that Spanish cucumbers were the cause of the outbreak. Health authorities said there were no plans to lift a warning about eating cucumbers because final tests on the beansprouts had not been completed.


- Without dramatic pictures of dead birds, the control of DDT
may have been delayed.
- If coal miners were not coughing themselves to death, would we have had dust control laws?
- Any dust particle that looks like asbestos, attracts attention, but is this merited?
Sensationalism challenges orthodoxy and enables decision-makers to ask if a new opinion is needed. But it also causes people to dig their heels in. Power is sometimes exercised for its own sake.
Insurance has an inbuilt structure which handles sensationalism in an orderly and auditable way: it is an inevitable consequence of the management of uncertainty, the thing insurers are really good at, and a requirement of insurance regulation.
When asking how much a line of business is likely to cost e.g. domestic flood insurance, the insurer uses his knowledge of how it went in previous years and making allowance for change, projects this forward as far as he needs to. But he also estimates the uncertainty in that projection. The effect of sensational news means he will ask if the uncertainty estimate is wide enough. If sensationalism itself can change the amount of money at risk then sensationalism is a proper factor to take into account. If not, then the objective meaning of the story must take precedence. A level-headed view of the facts will help him decide whether or not the story will blow over or will make a difference to the bottom line if other steps are not taken.
The Radar project does report on the sensational stories created by others and where there are objective facts to evaluate, reports these too. However, it never attempts to create a sensation. Instead it makes estimates of the likely impact on loss or the estimate of uncertainty in loss, or explains to insurers how they might do this for themselves.


TRANSPORT IN TIME AND PLACE: TRAINS, PLANES, AND AUTOMOBILES, 1890s-1940s
This mural centers around the historic Southern Pacific Depot, built in 1887, illustrating the many activities relating to the use of the railroad. Several vintage vehicles are depicted in stunning detail. Left to right: a 1937 Hudson Coupe, a 1934 Dodge Panel Truck, then a 1937 Greyhound Super Coach, and a 1931 Indian motorcycle. The steam engine is circa 1890. The panel on the right shows soldiers leaving for service in the Korean War and a walnut packing house circa 1946. The panel on the left shows U.S. President Benjamin Harrison passing through Santa Paula in 1891, and lemons being loaded on boxcars.


The labor movement is critical in shaping the future of work. Strong unions advocate for the rights of working people and help create good jobs by allowing working people to have a voice on the job to achieve the economic security they deserve. Unions remain the most effective way to quash inequality and ensure working people receive a fair return on work, now and in the future.
Advances in technology are constantly redefining the work landscape, creating new categories of jobs where none existed, and making current jobs safer and better. But technological advances also can erase once-vital and -vibrant industries. This is nothing new. Unions have been addressing and adapting to changes in the workplace—including job displacement caused by automation and digitization—for more than a century. But, all too often, technological advancements are used as cover by the rich and powerful to concentrate their wealth and turn good, family-supporting jobs into insecure, low-wage or precarious jobs.
We can demand a world where the gains from technology translate into better pay and working conditions for everyone. —Richard Trumka


You can connect to your MongoDB database to explore data, combine them with other data sources and build apps on top of them as a data foundation.
To connect your MongoDB database, follow the steps below:
- 1.Go to Data Management and click on "New data source" to create a new data source.
- 2.Select MongoDB from the list of available data sources.
- 3.Name your data source connection and provide the connection details:
The host url of the MongoDB instance that stores your database.
(optional) Use DNS seed list
You can specify if you want to use DNS entries to provide a seed list for the initial discovery of the replica set configuration. For more info.
(optional) Use Replica set
You can specify if you want to connect to a MongoDB server that stores a replice of your data.
Name of the database that holds the collections that you want to access.
Username & Password
These are the credentials of the user account that has the required access permissions for (parts of) the database.
Connect using SSL
You can specify if you want to connect to the server using SSL. This is a default setting to ensure secure connection.
(optional) Use SSH tunnel
Specifies if the connection should run via SSH tunnelling. If you are familiar with SSH tunnelling, you will need to provide the following additional details. Once this option is toggled, we provide our public key for download.
- 4.Click on "Test connection" to ensure that your connection works reliably and save your data source connection with "Connect".
Note: You can configure the data source for two different environments, Staging and Production. You can find more information about it here.


This is Ljubljanica river’s first (partly) artificial channel, called Stržen:
The Romans dug it in the 1st century AD al the way through the Ljubljana Marshes in order to shorten the travel between Nauportus (today Vrhnika) and Emona (Ljubljana).
It silted up hundreds of years ago, and the water flows here only after intense rains.
Photos taken with Nikon 1 J1 – it was Millie’s first true KAP flight!
Learn more about Roman water engineering – click on our previous post!


[FOM] AXIOM SCHEMATA
corcoran at buffalo.edu
Mon Jul 12 22:44:10 EDT 2004
1. Who were the earliest to use an axiom schema in the modern sense?
Kneale and Kneale 1962 page 528 says Von Neumann 1927.
2. Who were the earliest to attempt to explain the concept of an axiom
3. Who were the earliest to purpose the expression axiom schema?
4. Which other expressions were proposed? Herbrand 1930 uses matrix.
5. When was the axiom of mathematical induction first approximated by a
schema? Herbrand 1930?
6. When did logicians start to realize that a sufficiently rich system
of number theory could be constructed on the basis of a first-order
7. Who were the earliest to attempt to use a axiom schema for
mathematical induction in an axiomatization of first-order number
theory? Herbrand 1930?
8. Who objected that infinitely many axioms was contrary to the spirit
of the axiomatic method?
9.What else should I be asking about schemata?
PLATONISM IN MATHEMATICS: To me a Platonism
with respect to
seems to be obvious and its rejection to border
on feeble-mindedness. Kurt Gödel 1975, BSL 2004. It is the merest
truism, evident at once to unsophisticated observation, that mathematics
is a human invention. Percy Bridgman 1946, Kline 1980, 325.
More information about the FOM


Officials in cyclone-stricken Mozambique say the number of cases of cholera has skyrocketed from five on Wednesday to 139 by late Thursday.
Cholera is a bacterial disease spread by contaminated food or drinking water. It causes severe diarrhea and subsequent dehydration, and can kill within hours if not treated.
Squalid living conditions — contaminated water and lack of sanitation — in the country following the cyclone are the perfect breeding grounds for the spread of the disease.
The World Health Organization said earlier this week that it was sending 900,000 doses of cholera vaccine to the region.
AFP, the French news agency, reported that a cholera prevention publicity campaign had been mounted via radio and loudspeakers throughout affected towns and villages.
UNICEF has warned there is "very little time to prevent the spread of opportunistic diseases."
Cyclone Idai struck most of Mozambique nearly two weeks ago with hurricane-force winds and heavy rains. It also hit eastern Zimbabwe and Malawi.
Cyclone Death Toll Still Rising
517 Cases of Cholera Diagnosed Over the Weekend
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Articles and commentaries that identify allAfrica.com as the publisher are produced or commissioned by AllAfrica. To address comments or complaints, please Contact us.
AllAfrica is a voice of, by and about Africa - aggregating, producing and distributing 600 news and information items daily from over 150 African news organizations and our own reporters to an African and global public. We operate from Cape Town, Dakar, Abuja, Monrovia, Nairobi and Washington DC.


The traditional bread of the Jewish people for the holiday of Passover is the thin, crisp, unleavened bread named matzo. Yet the super Kosher one, made by hand from handpicked wheat is about to disappear. The commercial production of holiday bread is always done with grains that have not been exposed to rain, and therefore are not susceptible to starting the process of fermentation. The Orthodox community seeks a higher level of assurance for the quality of the grains that will be turned into flour for the bread. They will only accept handpicked grains, the traditional, historical way. Those grains are then taken to a mill that is cleaned to perfection from any other left-over flour. Only then, is the special grain for the reserved ultra kosher matzos (plural in hebrew for matzo) ground.
The handmade flour is then taken to a bakery that operates only for few days a year, and exclusively produces this handmade reserved matzo. Most matzos bakeries operate only for two or three weeks a year. Due to the cost involved, and the hardship in getting the special flour, the number of bakeries is in decline and soon to disappear.
The bread is used for the Seder night, the eve of the holiday, which is celebrated according to the Jewish calendar on the fifteenth day of the first month, commemorating the exile of the Jews from Egypt. The celebration lasts for a whole week. The holiday takes place in March/April and is known in Christianity as Easter. The opening traditional meal is also assumed to be the Last Supper.
On the holiday eve, Jews bless the matzos, reminding them that the bread had no time to rise because they had to escape, leaving their homes in Egypt. The special matzo, thin, crisp, unleavened bread is then eaten as the main carbohydrate for the entire holiday week.


Cold, dry, and generally stable air that originates in the continental anticyclones in the northern hemisphere, primarily the Canadian and Siberian anticyclones. These are particularly strong in winter, but weaken in summer, when the source regions shrink to a relatively narrow belt in the northern part of the continents. There are no source regions in the southern hemisphere. Strong cooling at the surface leads to stable air, which combines with subsidence to produce a deep inversion, typically up to 850 hPa. When continental polar air flows out over open water, it gains in temperature and humidity, and becomes unstable maritime polar air. See also Arctic air; maritime Arctic air.
Subjects: Meteorology and Climatology — Environmental Science.


Ferdinando II de’ Medici (Grand Duke of Tuscany 1621 – 1670)
Ferdinando II de’ Medici (July 1610 – May 1670) was grand duke of Tuscany from 1621 to 1670. He was the eldest child of Cosimo II de’ Medici and Maria Maddalena of Austria. His 49-year rule was punctuated by the beginning of Tuscany’s long economic decline. He married Vittoria della Rovere, with whom he had two children: Cosimo III de’ Medici, his eventual successor, and Francesco Maria de’ Medici, Duke of Rovere and Montefeltro, a cardinal.
John Evelyn mentions the Duke and his properties during his visit to Florence on 23 October 1644.
Father: Cosimo II de’ Medici
Mother: Maria Maddalena of Austria
Spouse: Vittoria della Rovere
- Maria Maddalena of Austria (Grand Duchess of Tuscany (1609 – 1621)
- Cosimo II de’ Medici (Grand Duke of Tuscany, 1609 – 1621)
- Forte Belvedere, Florence
- Sunday 23 October 1644
- Wikipedia for background, portrait.


Formatting Your Assignment For academic writing, the writer is expected to write in the third person. In third person, the writer avoids the pronouns I, we, my, you, your, and ours. The third person is used to make the writing more objective by taking the individual, the “self,” out of the writing. This method is very helpful for academic writing, a form in which facts, not opinion, drive the tone of the text. Writing in the third person allows the writer to come across as unbiased and thus more informed. The Report is to be written for the Midtown Family Clinic, and reference should not be made by name to individuals who own or work in the Clinic.


With help of this drawing lesson you will learn how to draw Captain Underpants. Captain Underpants – superhero invented by two of the most common boys from the most ordinary school which led to the delight of all the kids from the primary grades.
At first draw a shape, similar to an egg that greatly narrows at the top.
Sketch out the eyes, eyebrows, nose and mouth, stretched into a smile.
Draw the cape of the Captain Underpants. The edge of the cape similar to the cape of Batman.
Draw the arms with thick and rounded fingers.
Draw out the underpants as in our example. It’s very easy.
Draw the thick legs, feet and toes.
Ease all unnecessary lines and add dots to the cape.
Drawing tutorials on how to draw Captain Underpants is over. But on our website you can find a lot of similar drawing lessons, for example how to draw Boss Baby. And as always – don’t forget to subscribe to us in social networks, share this lesson and write a comment.


9 Things The Moors Gave The World
FactPixel has and always will be known for telling the side of the story that no one else was willing to tell. This article is no different, our mission is to enlighten the world.
Intellectual Achievements of the Moors
The intellectual achievements of the Moors in Spain had a lasting effect; education was universal in Moorish Spain, while in Christian Europe, 99% of the population was illiterate, even kings could neither read nor write.
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Dr. Lina Levin Preston is a pulsar astronomer at the University of Manchester’s Jodrell Bank Centre for Astrophysics. She completed her PhD at Swinburne University of Technology in Australia in 2012, focussing on searches for pulsars with the Parkes radio telescope. From there, she moved on to a postdoc at West Virginia University in the USA, working with interstellar medium effects of millisecond pulsars in pulsar timing arrays. Since 2015, she has been part of the SKA PSS team at the University of Manchester, designing and building the pulsar search backends for the SKA telescopes, which are currently in construction. In addition, Dr. Levin Preston is a member of the TRAPUM collaboration, which is searching for pulsars with the MeerKAT radio telescope in South Africa, where she is leading the effort to discover new pulsars in galaxies other than our own.
Talk: Searching for pulsars with the world’s largest radio telescopes
Pulsars are rotating neutron stars: small, extremely dense, remnant stars from when a massive star explodes in a supernova at the end of its life. They emit radio emission in a beam offset from its rotation axis, and once every rotation, when the emission beam points towards the Earth, the pulsar can be observed with a large radio telescope. Pulsars are excellent tools for analysing and testing a large variety of physical processes that are impossible to test on Earth. Their exceptionally stable rotation allows us to use them as very precise clocks in space and will help us to gain a deeper understanding of, for example, relativistic effects, gravitational theories, and super dense matter.
In this talk, you will find out more about the importance of studying pulsars as astrophysical laboratories, how to find new pulsars, as well as a preview of the future of pulsar surveys with the exceptional SKA telescopes.


BERLIN—Germans are starting over in their search for a permanent nuclear waste storage site. For more than 3 decades, the country has been storing its waste at a site called Gorleben, in Lower Saxony near the former border between East and West Germany. Germany has spent an estimated €1.6 billion building and testing the Gorleben facility, but the choice has long been controversial. At a meeting today between the federal environment minister and officials from the 16 German Länder (states), leaders agreed to work toward drafting a law that will govern a new search. A task force will begin work this month, and should have a draft law ready by next summer.
The search will consider sites all over the country, including Gorleben, said environment minister Norbert Röttgen at a press conference today. There will be "no taboos." Leaders in the southern states of Baden-Württemberg and Bavaria, which host a majority of the country's nuclear power plants, had long argued against a new site selection process, in part because granite and clay deposits there are likely to be on the list of possible candidates. But officials in both states now say they are open to a new search.
That offers a new opportunity, says Jürgen Trittin, former environment minister and head of the Green Party. "For the first time in 3 decades we have the chance to reach a consensus" on the issue, he told German television channel ARD. Marcel Huber, Bavaria's environment minister told the press conference, "The geology is the deciding factor, not the geography."


If funding is successful, further community improvement programmes can be implemented with education centres, arts and craft areas and outdoor facilities encompassing the local wildlife into a tranquil retreat. Specialist bird hives, bat bunkers and reed beds can be used to attract protected species into these decimated areas of wasteland, improving the overall biodiversity action plan set out by local authorities.
What we'll deliver:
Why it's a great idea:
The future of biodiversity is looking grim, with increasing global temperatures yearly along with the population increases. Areas such as quarries present an opportunity to transform areas that are usually derelict and abandoned, into an area in which biodiversity can flourish. There are less green areas that are truly native in terms of flora and fauna present and quarries are the perfect areas for re-development of natural wildlife. The education side of these developments also helps students consider the future impact of development on the biodiversity that we take for granted in the UK.
Steps to get it done:
If successful, these green areas can also provide local amenities such as outdoor gyms, leisure activities (nature walks, bird watching), as well as being used for conventions for local art installations, environmental management conferences and everything ecology.
About the space
Banes and Somerset area for re-development of abandoned quarry and disused industrial areas.
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A new crisis each time
Because crises behave differently, policy responses may have an important role in mitigating their aftermath.
Financial crises have a bad reputation. It’s mostly warranted; after all, the last one cost the U.S. $648 billion and 5.5 million jobs.
However, not all crises are the same. In a new paper in the October issue of the American Economic Review, authors Christina Romer and David Romer explore the aftermaths of financial crises in twenty-four OECD countries. On average, countries experience a moderate decline in output. But when looking closer, the outcomes vary significantly among the countries.
Romer and Romer develop a scale of financial distress based on descriptions of countries’ economic conditions. These accounts are published semiannually in the OECD Economic Outlook. Unlike traditional “crisis-or-no-crisis” measures, this scale allows for a nuanced understanding of how financial distress evolves over time.
Zero indicates no financial distress, and 15 indicates severe financial distress, as seen in crises that disrupt virtually all of a country’s financial system. A seven is a moderate or systemic crisis, such as the one experienced by the United States around 1990.
Figure 1 from Romer and Romer (2017)
Japan’s distress built slowly and then lingered for over a decade, while Sweden’s 1992 crisis resolved as quickly as it had begun. The outcomes of this distress vary as well. Norway’s GDP fell slightly after its financial crisis in the early 1990s, but Turkey’s GDP plummeted following its early-2000s crisis.
Each crisis behaves differently, suggesting that policy responses may play a role in determining the trajectory of a crisis and its aftermath. With the appropriate response, the next crisis may be bad, but it will not have to be devastating.


How do students define "originality" in their cultural moment--one that is always on, connected, and sharing (thanks to the web and mobile technology)? And, how do their interpretations differ from what educators consider original in the classroom context? Delving deeper, how do we go about teaching students how to be creative and to think critically when doing their own work?
This webcast shares insights into how educators can encourage more creative, engaged, and original thought from their students.
Kelly McBride is a writer, teacher and one of the country's leading voices regarding media ethics. She currently runs the Ethics Department and the Reporting, Writing and Editing Department at Poynter Institute, used by the world’s largest newsrooms for advice on internal decisions and to quote her expertise in their stories. Kelly is also the director of Poynter’s Sense-Making Project and was the lead writer on ESPN’s Poynter Review Project. She is the co-editor of "The New Ethics of Journalism: Principles for the 21st Century" which will be released in August 2013.
Jason Chu is the Senior Education Manager at Turnitin. His focus is on working to build resources for educators, and his personal passion is to find better ways to enhance student achievement. He will be moderating this webinar.


In an ideal lexicographical world, every word ought to be matched with its opposite, its antonym. Ever since 1754, when Horace Walpole created serendipity — the ability to make unexpected and fortunate discoveries — it has had to survive without one. It is only recently appeared:
So what is the opposite of Serendip, a southern land of spice and warmth, lush greenery and hummingbirds, seawashed, sunbasted? Think of another world in the far north, barren, icebound, cold, a world of flint and stone. Call it Zembla. Ergo: zemblanity, the opposite of serendipity, the faculty of making unhappy, unlucky and expected discoveries by design. Serendipity and zemblanity: the twin poles of the axis around which we revolve.
Armadillo, by William Boyd, 1998.
Boyd’s source may be a strangely constructed novel by Vladimir Nabokov of 1962, Pale Fire, which features the “distant northern land” of Zembla and a series of apparent coincidences that are actually a deliberate linkage of events. Nabokov's reference is surely to Novaya Zemlya, a group of Arctic islands owned by Russia, which were at one time commonly referred to in English as Nova Zembla. Zemlya means earth or land in Russian, a prosaic word, but not in itself unpleasant.
Zemblanity hasn’t achieved mainstream status, though Mr Justice Michael Peart used it in a legal judgment in Ireland in 2012 and it has been borrowed as the title of a bit of madcap physical theatre, which was performed, for example, at the 2009 Edinburgh Festival Fringe.
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‘Asbeha, Emperor, brother of Emperor ‘Abreha, is said in the Synaxarium to have ruled Ethiopia at the time when Athanasius consecrated Frumentius and sent him back to Aksum as the first Bishop of Ethiopia. The introduction of Christianity to Ethiopia is traditionally placed in the reign of ‘Abreha and ‘Asbeha, but it is historically clear that it occurred in the reign of Emperor ‘Ézana (fl. early 4th century A. D.). ‘Ézana is known to have had a brother Se’azana, who evidently played a role in the government of the Empire. It seems likely that, when the two brothers embraced Christianity, they received new baptismal names in accordance with Ethiopian custom. Thus, ‘Ézana may have received the name ‘Abreha (He illuminated) and Se’azana the name ‘Asbeha (He brought the dawn).
A. K. Irvine
E. A. Wallis Budge, The Book of the Saints of the Ethiopian Church (Cambridge, 1928). Vol. I, 112; Vol. IV. 1165.
C. Conti Rossini, “Les Listes des Rois d’Aksoum” Journal Asiatique (1909), Listes A, B, C, D, E, F, and G.
This article is reproduced, with permission, from The Dictionary of Ethiopian Biography, Vol. 1 ‘From Early Times to the End of the Zagwé Dynasty c. 1270 A.D.,’ copyright © 1975, edited by Belaynesh Michael, S. Chojnacki and Richard Pankhurst, Institute of Ethiopian Studies, Addis Ababa, Ethiopia. All rights reserved.


1976 Voto de la Tarjeta de Evaluaciones
(S. 961) The 200 Mile Fishery Zone Limit Act: The vote is on the Muskie amendment to keep important language in the bill that extended U.S. territorial fishing rights from 12 miles to 200 miles off the coast, and allowed the government to set catch limits for species of fish that are severely depleted. Many foreign ships use fine mesh nets and other destructive kinds of fishing gear that kill many more fish than can actually be used. The bill gives U.S. fishermen priority over other nations with the 200 mile zone, and sets up regional counsels with the authority to set catch quotas and regulate fishing techniques. Sen. Cranston tried to gut these provisions, and require instead that the U.S. negotiate for reduced fish catches under a 1958 fishing treaty. But Muskie pointed out that none of the problem nations would abide by the treaty and that all international efforts had ended in failure. Conservationists supported the bill as a necessary first step to protect declining fish populations. January 28, 1976. Adopted 58-37. The correct vote is yes.


A new short film called Black (Lead) and White (Silver) shows the fascinating growth of white silver and black lead during metal displacement reactions.
Created by Beauty of Science (BOS), the idea behind the film was to bring the beauty of chemistry to the general public in the form of high-quality visual content, which I must say the scientist-led team pulled off incredibly.
As far as what’s actually going in the video, basically it depicts crystalline metallic flakes multiplying and branching into gorgeous frost-like fractals.
The result are chemical reactions that form white silver (Cu + 2AgNO3 → Cu(NO3)2 + 2Ag) and black lead (Zn + Pb(NO3)2 → Zn(NO3)2 + Pb).
“For Black (Lead) and White (Silver), we were going to shoot many metal displacement reactions with a microscope. During the process, we discovered that the growth patterns between silver and lead were quite different. So, we decided to create a short film to compare the difference between the two metals. And luckily, we found two pieces of music that could enhance the contrast,” filmmaker and BOS founder Yan Liang, Ph.D. tells The Creators Project.
Via: Tech Steel


Lecture Shows How Spices Transformed The World
It seems unbelievable now that a spice as common as pepper could have established relationships between Rome and India, led to global voyages and propelled colonialism.
But next week a special lecture at the University of St. Thomas will teach people how spices transformed the world through commerce. The lecture is part of a series called “Culinary Excavations – Food Throughout History” and is sponsored by the Archaeological Institute of America Houston Society.
Speaking at the Jan. 12 event is Roberta Tomber, who works at the British Museum in the area of conservation, documentation and science. The lecture begins at 7 p.m. at Jones Hall, 3910 Yoakum Blvd.
Attendees can learn about the earliest trade routes between the Roman Empire and Asia, uncover the identities of the earliest merchants and learn about the pivotal role pepper from India played in the commerce of the ancient world. This trade led to the exchange of ideas between two continents and influenced world events for centuries to come.
General admission is $15, but tickets are $10 for archaeological institute members, India House members and students. For more information, visit aia-houston.com or contact Becky Lao at (281) 497-7382 or beckylao [at] att.net.


- To create an environment for learning, both inside and outside the classroom, which will encourage all children to achieve the highest standards through the provision of a broad, balanced and imaginative curriculum, high expectations, praise for a task well done and through committed, enthusiastic and effective teaching.
- To help children to develop into confident, responsible and caring adults in an atmosphere of tolerance and mutual respect.
- To encourage children to become self-motivated learners who will take risks, rise to a challenge and manage the outcome in an atmosphere that is challenging yet supportive.
- To enable children to develop into independent learners by creating an environment where contributions, efforts and achievement are valued and where all give their best because they value themselves.
- To communicate the Wheatcroft vision statement effectively to all members of the community in order to inspire excellence throughout the school.
The aims of the school are reflected in the way the children respect one another and are willing to accept responsibility for self and others. They share, work collaboratively and support one another’s successes. They share the whole school’s commitment to high expectations in all areas of their personal development.


Many critics of this holiday would have you believe that this holiday was invented by the greeting card companies. That commercialism is how this holiday formed. But that just isn’t so. Yes, in present time Valentine’s Day is a highly commercialized holiday, ranking as the second largest card-sending holiday of the year, behind Christmas. But does anyone really know the history behind Valentine’s Day? Well, here’s a little synopsis to ease your cynical mind:
Valentine’s Day is celebrated on February 14th (duh!). It is the day in which lovers express their love for one another traditionally by the giving of candy, flowers and other gifts. It is named after two early Christian martyrs named Valentine; Valentine of Rome and Valentine of Terni.
The day itself wasn’t actually linked as a romantic holiday until Geoffrey Chaucer in the middle ages. Chaucer wrote a poem in honor of the first anniversary of the engagement of King Richard II of England to Anne of Bohemia. The poem goes like this:
For this was on seynt Volantynys day
Whan euery bryd comyth there to chese
[choose] his make [mate].
And thus Valentine’s Day became associated with the desire to find one’s mate (i.e. the Lovers holiday). One can only imagine customs that made it what it is today; finding one’s mate, proving ones love, showing ones love, gifts for your love, etc. So while the greeting card and jewelry businesses thrive around February, the actual day has history & meaning.


The electric motor of direct current is composed of two magnetic structures the stator (field winding or permanent magnet) hose clamp size and the rotor (winding of armature). The purpose of the commutator is to invert the current in the appropriate rotation phase so that the developed conjugate is always in the same direction. The rotor windings comprise coils and the two sides of each winding are placed in grooves spaced equal to the distance between two stator poles, so when the conductors on one side are under the north pole, the conductors on the other side are under the pole south. The coils are coupled in series through the blades of the commutator, with the end of the latter connected to the beginning of the first.
The stator is made of a ferromagnetic structure with protruding poles to which the coils forming the field are wound, or a permanent magnet and the rotor is an electromagnet made of an iron core with windings which are fed by a mechanical switching system. This system is formed by a switch, integral with the rotor shaft, which has a cylindrical surface with several blades and fixed brushes, which pressurize the switch, connected to the supply terminals


- Parent Category: Area
- Category: ac in sq m
You can easily convert 5 acres into square meters using each unit definition:
- usacre = 10 surveychain² = 4046.8726 m²
- Square meters
- 1 m²
With this information, you can calculate the quantity of square meters 5 acres is equal to.
¿How many sq m are there in 5 ac?
In 5 ac there are 20234.363 sq m.
Which is the same to say that 5 acres is 20234.363 square meters.
Five acres equals to twenty thousand two hundred thirty-four square meters. *Approximation
¿What is the inverse calculation between 1 square meter and 5 acres?
Performing the inverse calculation of the relationship between units, we obtain that 1 square meter is 4.9420879e-05 times 5 acres.
A square meter is four times five acres. *Approximation


The odd practice of starting a holiday a half a day early
The Bible requires the Israelites to observe Passover on the fourteenth day of the first month, currently called Nissan, by sacrificing a lamb, called the Pascal Lamb, and eating it together with unleavened bread and bitter herbs. This biblical holiday is followed immediately with a seven day holiday called The Festival of Unleavened Bread. When the temple was destroyed in 70 CE, sacrifices were discontinued and since the sole practice of Passover was the sacrificing and eating of the Pascal Lamb, the holiday of Passover ceased to exist. So that the memory of Passover would not disappear entirely, the holiday of The Feast of the Unleavened Bread received the additional name of Passover.
Although not mentioned in the Torah, a practice arose to cease eating leavened practices around noon on the day before The Feast of Unleavened Bread. Why did this practice arise? I do not know the reason for this unusual behavior of beginning a key element of a holiday before the holiday starts. However, I have a suggestion to explain the anomaly.
We should recall that (1) the elements of the biblical Passover are the sacrifice and eating it with unleavened bread and bitter herbs, (2) although the biblical Passover ceased to exist, Jews felt that they should remember the holiday and did so by adding a name to The Festival of Unleavened Bread, (3) the Torah requires that the Pascal sacrifice be brought at mid-day on the fourteenth of the first month, and (4) the most significant element of the two holidays is unleavened bread, eating it with the Pascal Sacrifice on the biblical Passover and abstention from eating leavened bread during The Festival of Unleavened Bread. It is possible that the tradition to abstain from leavened bread during mid-day on the fourteenth, during the time that the Pascal Lamb was brought, was instituted, just as the adding of the name Passover to The Festival of Unleavened Bread, to recall the holiday and practice of the biblical Passover.


In Tuesday’s global health quiz, we asked what a phase-change material is and what it’s got to do with vaccines.
A phase change takes place when a solid, liquid, or gas changes from one state to another without a change in its chemical composition. Think water freezing to ice, then melting to liquid again. Phase-change materials, or PCMs, either absorb or give off heat as they move between solid and liquid states. As temperatures cool, for example, a PCM in its liquid state becomes solid and releases stored heat. When temperatures go up, a PCM in its solid state becomes liquid, absorbing heat and cooling whatever’s nearby.
What gives PCMs even more potential is that the temperature at which they change phases can be higher than 32° F (0° C). This is helpful if your goal is to keep items within a certain temperature range—say between 32° F and 46° F (0° C to 8° C), the temperature range at which many vaccines must be stored to prevent spoiling.
PATH is working on including phase-change materials in a plastic liner that could be used as a protective barrier in vaccine carriers to keep vaccines from freezing. The carriers could work with traditional ice packs to help protect vaccines from heat when the temperature goes up and—just as importantly—they could help protect vaccines from freezing that can occur when frozen ice packs make the container too cold.
We’re now expecting to begin testing PCMs in vaccine carriers in Vietnam. We’ll keep you posted as results become available. In the meantime, for a look at more of our work in tools for vaccines, see our technologies for vaccines slideshow.