id int64 110 1.16M | edu_score float64 3.5 5.1 | url stringlengths 21 286 | text stringlengths 507 485k | timestamp stringdate 2026-01-18 07:33:45 2026-02-05 07:22:54 |
|---|---|---|---|---|
299,742 | 4.380565 | http://www.biologyreference.com/Ar-Bi/Bacterial-Genetics.html | There are hundreds of thousands of bacterial species in existence on Earth. They grow relatively quickly, and most reproduce by binary fission, the production of two identical daughter cells from one mother cell. Therefore, each replication cycle doubles the number of cells in a bacterial population. The bacterial chro... | 2026-01-22T19:19:43.328495 |
198,752 | 3.798711 | http://ncse.com/creationism/analysis/anatomical-homology | You are here
Nested patterns of shared similarities between species play an important role in testing evolutionary hypotheses. "Homology" is one term used to describe these patterns, but scientists prefer other, more clearly defined terms. Explore Evolution would have done well to accurately present the way scientists ... | 2026-01-21T07:29:49.113705 |
539,702 | 3.966699 | http://www.thehealthage.com/2012/08/fainting-linked-strong-genetic-predisposition/ | Fainting also called as vasovagal syncope is a brief loss of consciousness when human body reacts to certain triggers, such as emotional distress or the sight of blood. A new research suggests that fainting has a strong genetic predisposition and some people may be genetically predisposed to fainting.
Researchers from ... | 2026-01-26T18:00:01.485332 |
236,216 | 3.503099 | http://www-personal.umd.umich.edu/~jcthomas/JCTHOMAS/1997%20Case%20Studies/J.%20Newman1.html | by Jackie Newman
Tangier Disease is an extremely rare autosomal recessive metabolic disorder.
Documentation shows that as of 1988, 27 cases of Tangier Disease had been
reported (Makrides pg.465) and in 1992 the reported cases were still fewer
than 50 persons worldwide (Thoene pg.265). The majority of the cases tend
to ... | 2026-01-21T20:26:17.094497 |
240,279 | 3.634612 | http://www.healthline.com/galecontent/genetics-and-genetic-counseling | Genetics and Genetic Counseling
Genetics and Genetic Counseling
A branch of science that attempts to understand the fundamental biologic makeup of organisms by examining the genetic blueprints in each cell
The nucleus of every cell holds the key to nearly every visible and invisible feature of the human body, from the ... | 2026-01-21T21:52:09.037746 |
767,567 | 3.71709 | http://en.wikipedia.org/wiki/Topological_skeleton | In shape analysis, skeleton (or topological skeleton) of a shape is a thin version of that shape that is equidistant to its boundaries. The skeleton usually emphasizes geometrical and topological properties of the shape, such as its connectivity, topology, length, direction, and width. Together with the distance of its... | 2026-01-30T03:09:25.570276 |
1,010,410 | 3.741981 | http://everything2.com/title/THANKSGIVING | Thanksgiving festivals have been traditions
of many cultures throughout history
. They often started as harvest
festivals, as many ancient farmers had beliefs that spirits
caused the crops to grow
, and to later die
. These spirits were thought to be released during the harvest, with the possibility they may attack the... | 2026-02-02T20:50:33.562998 |
125,076 | 4.029659 | http://www.newscientist.com/article/dn10389-soil-minerals-point-to-planetwide-ocean-on-mars.html | An ocean of water once wrapped around Mars, suggests the discovery of soil chemicals by NASA's rovers. But the same chemicals also indicate that life was not widespread on the planet at the time the ocean was present.
Sulphates, which form most readily in liquid water, had already been detected by the Spirit and Opport... | 2026-01-20T04:20:51.433977 |
445,623 | 3.951635 | http://www.scientificamerican.com/article.cfm?id=how-are-the-abbreviations | Michael R. Topp, professor of chemistry at the University of Pennsylvania, explains.
Although some of the symbols on the periodic table may seem strange, they all make sense with a little background information. For example, the symbol for the element mercury, Hg, comes from the Latin word hydrargyrum, meaning "liquid ... | 2026-01-25T03:08:01.784528 |
550,198 | 3.539733 | http://en.wikipedia.org/wiki/Storyboarding | |This article needs additional citations for verification. (December 2009)|
Storyboards are graphic organizers in the form of illustrations or images displayed in sequence for the purpose of pre-visualizing a motion picture, animation, motion graphic or interactive media sequence.
The storyboarding process, in the form... | 2026-01-26T21:41:57.133458 |
928,482 | 3.969243 | https://simple.wikipedia.org/wiki/Algae | Biology and taxonomy[change | edit source]
Algae are a large and diverse group of simple, typically autotrophic organisms, ranging from unicellular to multicellular forms. The largest and most complex marine forms are called seaweeds. They are, like plants, and "simple" because they lack the many distinct organs found ... | 2026-02-01T17:44:24.301736 |
862,342 | 3.697973 | http://www.slideshare.net/jpangcog/marine-biomeorig-11851722 | The marine biome is the biggest biome in the world! It covers about 70% of the earth.
It includes five main oceans: the Pacific, Atlantic, Indian, Arctic, and Southern, as well as many smaller Gulfs and Bays.
There is about one cup of salt per gallon of water in the ocean.
The constant motion of the ocean results in cu... | 2026-01-31T17:17:15.056514 |
825,973 | 3.865788 | http://www.pbs.org/wgbh/globalconnections/mideast/timeline/text/tgeography.html | 1517-1918: The Ottoman Empire extends over most of the Arab world.
The Ottoman Empire begins in the 1300s in what is now Turkey. Between 1516 and 1517, the Ottomans conquer the Arab provinces. Islam is one of the major forces holding the diverse empire together. Ottoman law, in fact, is derived from both Islamic law an... | 2026-01-31T02:15:55.648572 |
239,003 | 3.678485 | http://mathforum.org/library/problems/sets/discrete_difficulty.html | Coding for Level of Difficulty:
For a full explanation, see A Rubric for Coding Problem Difficulty, from: Renninger, K. A. & Feldman-Riordan, C. (in preparation). "Technology as a tool for developing students' mathematical thinking." (The help of Crystal Akers and Alice Henriques in clarifying this coding scheme is gra... | 2026-01-21T21:25:06.649612 |
1,108,674 | 3.583986 | http://www.sms.si.edu/irlspec/Eichhornia_crassipes.htm | Potentially Misidentified Species:
In Florida, Eichhornia crassipes may be confused with the floating form of a
somewhat similar appearing native aquatic plant, frog's bit (Limnobium
spongia). The presence of small,
white flowers and petioles that are not bulbous or inflated aid in
distinguishing the native plant from ... | 2026-02-04T09:02:46.799793 |
708,361 | 3.623757 | http://www.baylor.edu/lakewaco_wetlands/index.php?id=34631 | |Butterfly Gardening Bibliography of online and print resources.|
Butterfly and Caterpillar Gardening
by Sharon Peregrine Johnson
In Caterpillars in the Field and Garden, Allen states that “Happily, butterflies are still plentiful throughout much of the United States. However, in the areas where most people live, the u... | 2026-01-29T04:16:56.234307 |
668,361 | 3.59259 | http://www.cs.nyu.edu/courses/spring09/V22.0202-002/lectures/lecture-02.html | Start Lecture #2
Homework: Read Chapter 1 (Introduction)
Software (and hardware, but that is not this course) is often implemented in layers. The higher layers use the facilities provided by lower layers.
Alternatively said, the upper layers are written using a more powerful and more abstract virtual machine than the l... | 2026-01-28T13:53:06.826508 |
768,532 | 4.163286 | http://www.technologyreview.com/news/514656/a-more-efficient-jet-engine-is-made-from-lighter-parts-some-3-d-printed/ | A new generation of engines being developed by the world’s largest jet engine maker, CFM (a partnership between GE and Snecma of France), will allow aircraft to use about 15 percent less fuel—enough to save about $1 million per year per airplane and significantly reduce carbon emissions.
The first of these new engine, ... | 2026-01-30T03:31:56.356009 |
1,015,136 | 3.610384 | http://spacrs.wordpress.com/what-is-critical-race-theory/ | Critical Race Theory was developed out of legal scholarship. It provides a critical analysis of race and racism from a legal point of view. Since its inception within legal scholarship CRT has spread to many disciplines. CRT has basic tenets that guide its framework. These tenets are interdisciplinary and can be approa... | 2026-02-02T22:29:45.738724 |
94,058 | 3.515001 | http://www.eufic.org/article/en/page/FTARCHIVE/artid/gmos-debate/ | The debate over genetically modified (GM) foods has been going on for some years now, with much of the discussion centered on whether or not these foods are safe to eat. Thanks to scientific research, improved understanding of the technology and new regulations, most parties involved in the GM debate now agree that the... | 2026-01-19T17:29:29.008851 |
254,056 | 3.928577 | http://www.sciencecodex.com/herbivores_select_on_floral_architecture_in_a_south_african_birdpollinated_plant-92960 | Floral displays, such as the color, shape, size, and arrangement of flowers, are typically thought to have evolved primarily in response to selection by pollinators—for animal-pollinated species, being able to attract animal vectors is vital to an individual plant's reproductive success. But can herbivores also exert s... | 2026-01-22T02:39:28.919012 |
725,022 | 4.01341 | http://www.cs.mtu.edu/~shene/COURSES/cs3621/NOTES/geometry/geo-tran.html | When talking about geometric transformations, we have to be very careful about the object being transformed. We have two alternatives, either the geometric objects are transformed or the coordinate system is transformed. These two are very closely related; but, the formulae that carry out the job are different. We only... | 2026-01-29T10:26:20.287476 |
93,831 | 3.532954 | http://phys.org/news180704455.html | (PhysOrg.com) -- Physicists theorize that quantum phenomena could provide a major boost to batteries, with the potential to increase energy density up to 10 times that of lithium ion batteries. According to a new proposal, billions of nanoscale capacitors could take advantage of quantum effects to overcome electric arc... | 2026-01-19T17:24:54.890224 |
1,111,864 | 3.655 | http://www.daviddarling.info/encyclopedia/R/rheumatoid_arthritis.html | Rheumatoid arthritis is an inflammatory
disease that causes pain, swelling, stiffness, and loss of function in the
joints. It has several special features that
make it different from other kinds of arthritis.
For example, rheumatoid arthritis generally occurs in a symmetrical pattern,
meaning that if one knee or hand i... | 2026-02-04T10:23:47.492210 |
142,343 | 4.119994 | http://www.sciencedaily.com/releases/2000/08/000830073152.htm | Aug. 30, 2000 Since climate change affects everyone on Earth, scientists have been trying to pinpoint its causes. For many years, researchers agreed that climate change was triggered by what they called "greenhouse gases," with carbon dioxide (CO2) from burning of fossil fuels such as coal, oil, and gas, playing the bi... | 2026-01-20T10:37:22.476278 |
1,026,300 | 3.705143 | http://stackoverflow.com/questions/10376740/big-theta-notation-what-exactly-does-big-theta-represent/12338937 | I'm really confused about the differences between big O, big Omega, and big Theta notation. I understand that big O is the upper bound and big Omega is the lower bound, but what exactly does big Theta represent? I have read that it means "tight bound", but what does that mean?
It means that the algorithm is both big-O ... | 2026-02-03T02:32:28.083672 |
863,334 | 3.650233 | http://www.aph.gov.au/Parliamentary_Business/Committees/House_of_Representatives_Committees?url=/jscc/report/chapter1.htm | Chapter 1 Introduction
The online environment is an integral part of modern economic and social
activities, and a vast resource of information, communication, education and
This chapter introduces the online environment, platforms and access and
the relevant cyber-safety issues and outlines the responsibilities of the
... | 2026-01-31T17:39:59.231775 |
27,098 | 3.509186 | http://news.discovery.com/earth/weather-extreme-events/drought-dust-bowl-120719.htm | - Moderate to severe drought conditions now cover 64 percent of the lower 48 states.
- This is one of the most widespread droughts of the last century.
- Corn crops are already suffering from hot and dry conditions.
This summer, record high temperatures have scorched much of the United States. Add little rainfall to th... | 2026-01-18T18:31:05.800896 |
296,870 | 3.664331 | http://en.wikipedia.org/wiki/%ce%92-lactam_antibiotic | Core structure of penicillins (top) and cephalosporins (bottom). β-lactam ring in red.
|Biological target||Penicillin binding protein|
β-Lactam antibiotics (beta-lactam antibiotics) are a broad class of antibiotics, consisting of all antibiotic agents that contains a β-lactam ring in their molecular structures. This in... | 2026-01-22T18:13:39.945138 |
786,287 | 3.873621 | http://archive.hpcwire.com/hpcwire/2013-08-26/preparing_for_solar_storms.html | August 26, 2013
In the absence of the sun, life as we know it would not exist. In addition to providing just the right amount of heat and light for third planet inhabitants, the sun is responsible for circadian rhythms, vitamin D production and photosynthesis. However, this life-sustaining orb also carries the potentia... | 2026-01-30T10:26:53.738664 |
1,056,721 | 3.50124 | http://en.wikipedia.org/wiki/Board_game | A board game is a game that involves counters or pieces moved or placed on a pre-marked surface or "board", according to a set of rules. Games can be based on pure strategy, chance (e.g. rolling dice), or a mixture of the two, and usually have a goal that a player aims to achieve. Early board games represented a battle... | 2026-02-03T13:30:37.216306 |
766,153 | 3.661565 | http://quizlet.com/3542848/organelles-structure-and-functions-flash-cards/ | a jellylike fluid inside the cell in which the organelles are suspended
The thin layer surrounding a cell's contents. Acts as a gatekeeper. Consists of a phospolipid bilayer in which proteins are embedded; communicates with other cells.
a part of the cell containing DNA and RNA and responsible for growth and reproducti... | 2026-01-30T02:36:35.038674 |
231,725 | 3.619619 | http://www.centauri-dreams.org/?p=21091 | I’m delighted that we keep finding solar systems so different from our own. The discovery of two new planets that are roughly the size of the Earth just confirms the feeling — in a galaxy of dazzling fecundity, every system we look at has its own peculiarities to instruct and delight us. The system around the star call... | 2026-01-21T18:54:20.377881 |
641,671 | 4.184995 | http://kidsactivitiesblog.com/18156/early-learning | Young children learn well when they use hands-on projects. This is a great activity that promotes early learning, specifically working with numbers, but it is also very easy to make and use.
Two simple everyday objects can be combined to make an early learning tool. In this case I took an empty frosting container and s... | 2026-01-28T04:22:43.590097 |
871,054 | 3.925242 | http://web.uvic.ca/~mroth/teaching/445/Concepts_Elementary.htm | Teachers want their students to understand. In order to understand students have to associate new knowledge to that which they already know. Often, however, we teachers seem to be at a loss of achieving this goal, and many of our students resort to the memorization of facts which they seem to forget shortly after the n... | 2026-01-31T20:49:41.701547 |
505,524 | 3.648741 | http://files.bookboon.com/ai/Shannon-Guessing-Game.html | Shannon Guessing Game NetLogo Model
Produced for the book series "Artificial Intelligence";
Author: W. J. Teahan; Publisher: Ventus Publishing Aps, Denmark.
powered by NetLogo
view/download model file: Shannon-Guessing-Game.nlogo
WHAT IS IT?
This model shows how a language model can be constructed from some training te... | 2026-01-26T03:50:09.487497 |
623,059 | 3.564814 | http://education.exeter.ac.uk/dll/studyskills/note_taking_skills.htm | Department of Lifelong Learning: Study Skills Series
Note taking skills Note taking activities • Note taking reading list • Appendix A • Appendix B (PDF version for offline)
When you are at university, the sheer amount of information that is delivered to you can be daunting and confusing. You may even think that you ha... | 2026-01-27T22:02:09.695422 |
485,530 | 3.604441 | http://www.slate.com/articles/business/the_dismal_science/2011/05/the_persistence_of_hate.single.html | The Persistence of Hate
German communities that murdered Jews in the Middle Ages were more likely to support the Nazis 600 years later.
From Rosa Parks' refusal to move to the back of the bus in Montgomery, Ala., to the "Little Rock Nine," who defied school segregation in Arkansas, most of the civil rights clashes of t... | 2026-01-25T19:23:45.044604 |
965,194 | 3.597314 | http://inhabitat.com/study-finds-that-climate-change-may-cause-wars/el-nino-civil-war-3/ | Climate change might be on track to do more than reduce the Earth’s resources and jeopardize the health of mankind — it could cause us all to start fighting with each other. The Center for the Study of Civil War (CSCW) just published research in the journal Nature showing that global climate change has the ability to s... | 2026-02-02T05:42:20.861240 |
334,625 | 3.685537 | http://en.wikipedia.org/wiki/Glossitis | |Classification and external resources|
Glossitis is inflammation of the tongue. It causes the tongue to swell and change color. Finger-like projections on the surface of the tongue (papillae) may be lost, causing the tongue to appear smooth.
Glossitis usually responds well to treatment if the cause of inflammation is ... | 2026-01-23T08:17:20.870905 |
299,955 | 3.673637 | http://www.ciscopress.com/articles/article.asp?p=174107&seqNum=4 | Classless Interdomain Routing
CIDR is a mechanism developed to help alleviate the problem of exhaustion of IP addresses and growth of routing tables. The idea behind CIDR is that blocks of multiple addresses (for example, blocks of Class C address) can be combined, or aggregated, to create a larger classless set of IP ... | 2026-01-22T19:24:24.346946 |
804,830 | 3.516692 | http://en.wikipedia.org/wiki/Infinity_focus | |This article does not cite any references or sources. (December 2009)|
In optics and photography, infinity focus is the state where a lens or other optical system forms an image of an object an infinite distance away. This corresponds to the point of focus for parallel rays. The image is formed at the focal point of t... | 2026-01-30T17:43:44.813593 |
955,814 | 3.71877 | http://arstechnica.com/science/2012/10/exoplanet-found-right-next-door-in-alpha-centauri/?comments=1&post=23388160 | Today, planet hunters announced evidence that there's a planet orbiting one of our closest stellar neighbors. One of the three stars of the α Centauri star system shows the sort of periodic changes in brightness that are a hallmark of the presence of an orbiting planet. And, even though the new world would be far too h... | 2026-02-02T02:35:56.391047 |
700,533 | 3.532013 | http://www.factmonster.com/encyclopedia/society/rajputs.html | Rajputs (räjˈpōts) [key] [Sanskrit, = son of a king], dominant people of Rajputana, an historic region now almost coextensive with the state of Rajasthan, NW India. The Rajputs are mainly Hindus (although there are some Muslim Rajputs) of the warrior caste; traditionally they have put great value on etiquette and the m... | 2026-01-29T01:26:25.320000 |
872,170 | 4.550106 | http://illuminations.nctm.org/Lesson.aspx?id=3064 | On the day before the lesson, distribute the Find a Cliché
activity sheet. Instruct each student as homework to find a cliché or
familiar phrase that is familiar, appropriate, and at least 5 words.
Preferably, each student's phrase should be different from every other
student's phrase, so encourage students to search f... | 2026-01-31T21:16:42.407696 |
83,616 | 3.829141 | http://www.readwritethink.org/classroom-resources/lesson-plans/remember-that-book-rereading-1150.html?tab=4 | ReadWriteThink couldn't publish all of this great content without literacy experts to write and review for us. If you've got lessons plans, activities, or other ideas you'd like to contribute, we'd love to hear from you.
Find the latest in professional publications, learn new techniques and strategies, and find out how... | 2026-01-19T14:00:39.831133 |
413,555 | 3.852715 | http://www.thirteen.org/edonline/lessons/polyhedra/b.html | Virtual Polyhedra and the Real World
This lesson is divided into three sections:
-- Preparing for the Lesson.
-- Conducting the Lesson.
-- Managing Resources and Student Activities.
Construct several models of polyhedra in advance to anticipate difficulties
that students may have. These can be displayed as examples dur... | 2026-01-24T14:32:08.456921 |
445,336 | 4.072289 | http://news.sciencemag.org/sciencenow/2001/09/28-02.html | How to tell the age of the extinct ancestor common to two living species? Take the same gene from both and count the differences in the DNA. Then divide it by the rate at which DNA mutates, and presto! Biologists love this molecular clock and they've applied it for decades. But new research shows it may not be keeping ... | 2026-01-25T03:01:10.939769 |
637,785 | 3.558689 | http://nrich.maths.org/public/leg.php?code=-333&cl=1&cldcmpid=5817 | Can you create more models that follow these rules?
This challenge involves eight three-cube models made from
interlocking cubes. Investigate different ways of putting the
models together then compare your constructions.
Sort the houses in my street into different groups. Can you do it in any other ways?
Arrange your f... | 2026-01-28T03:02:17.362115 |
647,926 | 3.556026 | http://www.coderanch.com/t/387882/java/java/public-static-void-main-String | static is a keyword in the java language, and it is also a modifier. When a method or variable is declared static, it means that it can be used throughout the whole class without instantiating an object. If it isn't static, then you must create an object to invoke the non-static method or non-static variable. You are c... | 2026-01-28T06:37:16.645912 |
797,156 | 3.819138 | http://richardsbirdblog.com/2010/07/06/why-do-bird-wings-flap/ | There are two reasons why birds flap their wings. Primarily birds flap their wings to pull themselves forward, secondarily to lift themselves up.
Bird flight looks effortlessly simple but actually is a complexity of internal actions and reactions and outside forces. The most important factor about bird flight is that a... | 2026-01-30T14:42:26.487881 |
1,084,009 | 3.857634 | http://ned.ipac.caltech.edu/level5/Sept01/Jones/Jones1.html | In this section, I shall give a brief overview of the properties of the Universe at large. On the largest scales it can be reasonably approximated as a homogeneous and isotropic medium in a state of uniform expansion and the equations can easily be written down. We find that such a simple model Universe can be describe... | 2026-02-03T23:20:24.637418 |
146,322 | 3.650984 | http://www.foresight.org/nanodot/?p=2756 | In yet another step toward making nanotech transistors from graphene nanoribbons, chemically-prepared graphene nanoribbons less than 10 nm wide were found to be uniformly semiconducting, room-temperature, field-effect transistors. From Stanford University news service via PhysOrg.com “Carbon nanoribbons could make smal... | 2026-01-20T12:06:12.883634 |
806,639 | 3.89669 | http://climate.nasa.gov/blog?m_y=06-2010 | Editor of NASA's Climate Change website. Manager of the Center for Climate Sciences at NASA's Jet Propulsion Laboratory. Passionate about all things science and climate change. Likes hiking, dabbling in poetry and playing piano.
June 29, 2010
posted by Dr. Amber Jenkins
From Dr. Tony Freeman,
Earth Science Manager, NAS... | 2026-01-30T18:27:23.860208 |
646,699 | 4.603993 | http://en.wikibooks.org/wiki/Digital_Circuits/Adders | Consider adding two binary numbers together:
We see that the bit in the "two's" column is generated when the addition carried over. A half-adder is a circuit which adds two bits together and outputs the sum of those two bits. The half-adder has two outputs: sum and carry. Sum represents the remainder of the integer div... | 2026-01-28T06:10:20.609940 |
340,800 | 3.501245 | http://kanoonline.com/mb/index.php?option=com_smf&Itemid=36&topic=730.0 | The Characteristics of the Fulani
Ismail Iro, Ph.D.firstname.lastname@example.org
FUNDING FOR THIS STUDY WAS PROVIDED BY THE AFRICAN DEVELOPMENT FOUNDATION
WASHINGTON, DC. USA
Abstract and Introduction
Should Pastoral Fulani Sedentarize?
Characteristics of the Fulani
Fulani Herding System
Traditionalism Vs. Modernism: ... | 2026-01-23T10:37:27.406695 |
1,114,011 | 3.533041 | http://phys.org/news/2013-04-schrodinger-equation.html | (Phys.org) —One of the cornerstones of quantum physics is the Schrödinger equation, which describes what a system of quantum objects such as atoms and subatomic particles will do in the future based on its current state. The classical analogies are Newton's second law and Hamiltonian mechanics, which predict what a cla... | 2026-02-04T11:17:13.849998 |
1,147,899 | 3.877995 | http://www.sciencefriday.com/blogs/08/02/2010/the-connection-between-prime-numbers-and-music.html?interest=1 | Prime numbers––those divisible only by themselves and one––have confounded mathematicians for centuries. Because mathematicians rely on patterns, the fact that primes occur at seemingly random intervals (2, 3, 5, 7, 11, 13…) makes them the Holy Grail of math. Many who studied the numbers burned out in their primes, fel... | 2026-02-05T00:54:53.854270 |
1,051,601 | 3.723521 | http://www.earthmagazine.org/article/earliest-fossil-evidence-humans-southeast-asia | Earliest fossil evidence of humans in Southeast Asia?
Armand Salvador Mijares
Armand Salvador Mijares
Modern humans reached the islands of Southeast Asia by approximately 50,000 years ago, but our ancestors’ journey was not easy. Even during times of low sea level, a voyage to some of these islands would have required ... | 2026-02-03T11:38:36.205028 |
683,037 | 3.505557 | http://science.nasa.gov/science-news/science-at-nasa/2000/ast22sep_1/ | Interplanetary Fall Today our planet joins two other worlds in the solar
system where it is northern autumn.
Won't be long 'til
summer time is through...
The Beach Boys, "All Summer Long"
September 22, 2000 -- Every year around this time thousands of penguins rejoice to see the Sun peep above the Antarctic horizon. The... | 2026-01-28T19:05:40.224005 |
303,206 | 3.823381 | http://www.merckmanuals.com/pethealth/dog_disorders_and_diseases/skin_disorders_of_dogs/allergies_in_dogs.html | Like people, dogs can be allergic to various substances, including plant particles and other substances in the air or substances in food. These substances are called allergens. Allergens are substances that, when inhaled or absorbed through the skin, respiratory tract, or gastrointestinal tract, stimulate histamine pro... | 2026-01-22T20:36:52.726225 |
914,259 | 4.131821 | http://scienceblogs.com/thoughtfulanimal/2011/03/08/defending-your-territory-it-pa/ | Welcome to the second installment of Animal Territoriality Week. Today, we’ll look at a case where differences in territory size can have implications for neuroanatomy. If you missed part 1 of Animal Territoriality week, check it out here.
Let’s say you have two very very closely related species. You might even call th... | 2026-02-01T13:07:19.504839 |
277,369 | 3.789804 | http://www.scholastic.com/teachers/lesson-plan/historical-fiction-wealth-interpretations | Historical Fiction: A Wealth of Interpretations
- Grades: 3–5
- Unit Plan:
- contrast different points of view and note the change in perspective as the character's life experiences change.
- Two contrasting class sets of the Dear America books or My America books. You may want to try the following titles:
- Constructi... | 2026-01-22T10:58:17.806481 |
773,129 | 4.06138 | http://ci.pasadena.ca.us/Fire/Electrical_Devices_and_Appliances/ | Each year the Pasadena Fire Department responds to a significant number of fires and medical emergencies caused by electrical malfunction. Every year in the United States, more than 1,000 people are killed and thousands more injured in electrical fire or shock incidents. It is important to know how to use electrical ap... | 2026-01-30T05:21:08.238078 |
878,272 | 3.510478 | http://www.safefuturesct.org/learn-about-abuse/what-is-domestic-abuse | Domestic abuse between spouses or intimate partners is when one person in a marital or intimate relationship tries to control the other person. The perpetrator uses fear and intimidation and may threaten to use or may actually use physical violence. Domestic abuse that includes physical violence is called domestic viol... | 2026-01-31T23:46:51.678892 |
929,641 | 3.851274 | http://en.wikipedia.org/wiki/Restoration_(England) | The Restoration of the English monarchy began when the English, Scottish and Irish monarchies were all restored under Charles II after the Interregnum that followed the Wars of the Three Kingdoms. The term Restoration is used to describe both the actual event by which the monarchy was restored, and the period of severa... | 2026-02-01T18:07:24.465043 |
281,345 | 4.008784 | http://www.medcalc.org/manual/pairedttest.php | Paired samples t-test
The paired samples t-test is used to test the null hypothesis that the average of the differences between a series of paired observations is zero. Observations are paired when, for example, they are performed on the same samples or subjects.
Select the variables for sample 1 and sample 2, and a po... | 2026-01-22T12:25:45.870832 |
192,078 | 3.651299 | http://www.sciencedaily.com/releases/2010/11/101129131814.htm | Nov. 30, 2010 Gold nanoparticles, tiny pieces of gold so small that they can't be seen by the naked eye, are used in electronics, healthcare products and as pharmaceuticals to fight cancer. Despite their positive uses, the process to make the nanoparticles requires dangerous and extremely toxic chemicals. While the nan... | 2026-01-21T05:08:17.743115 |
310,981 | 3.731918 | http://www.cdc.gov/violenceprevention/youthviolence/electronicaggression/ | Technology and Youth Violence
Young people are using media technology, including cell phones, personal data assistants, and the Internet, to communicate with others in the United States and throughout the world. Communication avenues, such as text messaging, chat rooms, and social networking websites (e.g., MySpace and... | 2026-01-22T23:28:48.104302 |
234,823 | 3.889503 | http://www.merckmanuals.com/vet/print/integumentary_system/ticks/overview_of_ticks.html | Ticks are obligate ectoparasites of most types of terrestrial vertebrates virtually wherever these animals are found. Ticks are large mites and thus are arachnids, members of the subclass Acari. They are more closely related to spiders than to insects. The ~850 described species are exclusively blood-sucking in all fee... | 2026-01-21T19:57:44.047967 |
229,050 | 3.605363 | http://en.m.wikipedia.org/wiki/Wendell_Phillips | Phillips was born in Boston, Massachusetts on November 29, 1811, to Sarah Walley and John Phillips, a successful lawyer, politician, and philanthropist. Phillips was schooled at Boston Latin School, and graduated from Harvard University in 1831. He went on to attend Harvard Law School, from which he graduated in 1833. ... | 2026-01-21T18:00:38.003749 |
959,226 | 3.920129 | http://info@seaturtles.org/article.php?id=1484 | Boiling Point is our completely revised report about the threats to sea turtles from global warming and climate change. It was released during international negotiations in Copenhagen by Sea Turtle Restoration Project. See the summary below or download the full report in PDF format.
Climate change due to global warming... | 2026-02-02T03:42:51.372392 |
1,162,790 | 4.224081 | http://www.economist.com/node/8447539 | The Argus eyes of stargazing
Ever larger telescopes are planned to study the heavens in ever more detail, but with a twist
SIZE matters, at least in astronomy. Large telescopes are able to detect fainter objects than their smaller counterparts can because they gather more light. They also produce crisper images because... | 2026-02-05T06:55:12.279302 |
916,599 | 3.741937 | http://www.classicist.org/publications-and-bookshop/handbook/ionic-order/ | HANDBOOK OF THE CLASSICAL TRADITION
The Ionic Column
The Ionic column shown in the plate illustrates the Attic Base which is commonly used in the Ionic order. This base has an extra torus or “attic†above the lower torus. Both tori are separated by two fillets and a scotia.
As with the Doric order, the base is D hig... | 2026-02-01T13:52:03.230605 |
551,190 | 3.676669 | http://www.reference.com/browse/lords-day | Modern Presbyterianism traces its institutional roots back to the Scottish Reformation. Local congregations are governed by Sessions made up of representatives of the congregation, a conciliar approach which is found at other levels of decision-making (Presbytery, Synod and General Assembly). Theoretically, there are n... | 2026-01-26T22:02:48.091707 |
512,956 | 3.774597 | http://thexorb.com/Finance/Balance/BalanceSheet.aspx | What is Balance Sheet? Balance sheet or the statement of financial position is the financial statement which summarizes a company’s financial balance at a single point of time. Note that balance sheet is not created over a period of time rather a single point of time. Balance sheet summarizes a company’s assets, liabil... | 2026-01-26T06:50:35.300124 |
456,348 | 3.647426 | http://www.nss.org/settlement/nasa/spaceresvol4/lifesupport.html | The development of a controlled ecological life support system (CELSS) is necessary to enable the extended presence of humans in space, as on the Moon or on another planetary body. Over a long period, the provision of oxygen, water, and food, and protection from such inimical agents as radiation and temperature extreme... | 2026-01-25T07:21:06.955239 |
695,637 | 3.610841 | http://www.earth-policy.org/books/pb4/pb4ch8_ss2 | We can cut carbon emissions by one third by replacing fossil fuels with renewable energy sources for electricity and heat production." –Lester R. Brown, Janet Larsen, Jonathan G. Dorn, and Frances Moore, Time for Plan B: Cutting Carbon Emissions 80 Percent by 2020
Chapter 8. Restoring the Earth: Protecting and Restorin... | 2026-01-28T23:41:08.385137 |
63,190 | 3.704797 | http://econlib.org/library/YPDBooks/Lalor/llCy894.html | Cyclopædia of Political Science, Political Economy, and the Political History of the United States
RECIPROCITY is a relation between two independent powers, such that the citizens of each are guaranteed certain commercial privileges at the hands of the other. Up to the middle of the present century the term referred al... | 2026-01-19T06:59:38.689333 |
359,331 | 3.571367 | http://en.wikipedia.org/wiki/Frequentist_interpretation_of_probability | ||This article has multiple issues. Please help improve it or discuss these issues on the talk page.
The development of the frequentist account was motivated by the problems and paradoxes of the previously dominant viewpoint, the classical interpretation. In the classical interpretation, probability was defined in term... | 2026-01-23T17:34:39.824474 |
1,020,972 | 3.668582 | http://sciencenetlinks.com/lessons/risks-and-benefits/ | To assess and weigh the risks and benefits associated with innovations in science and technology.
This lesson provides students with an opportunity to further their understanding of the risks and benefits associated with innovations in science and technology. Using the case study approach, students examine two examples... | 2026-02-03T00:33:15.682814 |
211,998 | 3.924288 | http://thegoodhuman.com/2011/01/16/what-is-desertification-and-why-is-it-important-to-know-about/ | Dear EarthTalk: Can you explain what desertification is and why it is an important environmental issue?
Desertification is the degradation of land in already dry parts of the globe that results from various factors, including natural climate changes as well as human activity. As the name connotes it is the expansion of... | 2026-01-21T12:05:35.586345 |
988,374 | 3.604468 | http://muslimheritage.com/article/ukhaidir-palace-720-800-ce | About 100 miles south-west of Baghdad is Ukhaidar palace, one of the most preserved palaces of the Muslim world. It is unique in its architectural wealth and incorporated some of the key innovations that greatly impacted the development of Muslim as well as non-Muslim architecture.
|Figure 1. The main gate showing its ... | 2026-02-02T13:18:15.907342 |
951,056 | 3.573454 | http://www.npwrc.usgs.gov/resource/plants/explant/cirsvulg.htm | Northern Prairie Wildlife Research Center
Cirsium vulgare (Savi.) Tenore (Cirsium lanceolatum
Bull thistle, spear thistle (Asteraceae)
Current level of impact
Known locations in RMNP: Moraine Park, Club Lake Trail. Common in open meadows, and ponderosa pine savannas on the east side of park. Found in some late successi... | 2026-02-02T01:02:08.651647 |
217,650 | 3.63295 | http://eprints.bournemouth.ac.uk/17386/ | Green, I. D., 2011. Trace metals in the soil-plant system and beyond. In: Metallophyte Plants: A theatened and unrealised resource hidden in our biodiversity, 8-10 February 2011, University of Western Australia. (Unpublished)
Full text available as:
|PDF - Accepted Version|
Metals in the soil-plant system and beyond Me... | 2026-01-21T14:04:42.656176 |
500,802 | 3.776644 | http://learningtogive.org/faithgroups/phil_in_america/stewardship.asp | A “steward” is someone entrusted with the responsibility of caring for certain possessions, gifts, or other valuables, valuables which the steward usually does not own. While the original meaning of steward and stewardship was primarily economic—care of a master's property or household—it is the religious interpretatio... | 2026-01-26T01:54:38.759934 |
66,804 | 4.120847 | http://en.wikipedia.org/wiki/Thrust | ||This article needs additional citations for verification. (April 2009)|
Thrust is a reaction force described quantitatively by Newton's second and third laws. When a system expels or accelerates mass in one direction, the accelerated mass will cause a force of equal magnitude but opposite direction on that system. Th... | 2026-01-19T08:13:22.497203 |
475,031 | 3.731592 | http://www.conservationmagazine.org/2008/07/circuitous-routes/ | Circuit theory guides wildlife corridor design
Brad McRae was studying cougar populations when he ran into a problem. He knew the populations’ genetic makeup, and he had good maps of the cats’ habitat. But he couldn’t explain how the landscape influenced the way the animals—and, in turn, their genes—traveled between gr... | 2026-01-25T14:59:08.720261 |
392,594 | 3.970504 | http://www.calvin.edu/academic/cas/gpa/textbk02.htm | Background: This is a chapter from a middle school geography textbook published in the midst of the war. It reviews Nazi actions after 1933 and summarizes the Nazi claim that Germany needed more space. This was a major element of Nazi propaganda. Late in the war, the Nazis were still planning what to do with the coloni... | 2026-01-24T06:18:22.113073 |
518,258 | 3.534932 | http://www.absoluteastronomy.com/topics/Applied_Behavior_Analysis | Applied behavior analysis
) is a science that involves using modern behavioral learning theory
Behaviorism , also called the learning perspective , is a philosophy of psychology based on the proposition that all things that organisms do—including acting, thinking, and feeling—can and should be regarded as behaviors, an... | 2026-01-26T09:03:28.984745 |
431,725 | 3.812633 | http://www.sciencedaily.com/releases/2012/06/120620113137.htm | June 20, 2012 In a unique field experiment, ten research groups from nine different countries have studied the ecological status of 100 streams across Europe. This was the first study to make extensive use of leaf-litter breakdown as an assessment method. The findings of the study -- in which Eawag played a key role --... | 2026-01-24T21:38:20.252340 |
614,624 | 3.933819 | http://www.heritage.nf.ca/exploration/karluk.html | The Karluk Disaster
In the summer of 1913, the wooden-hulled Karluk departed Canada for the western Arctic. On board were 10 scientists, 13 crewmembers, four Inuit hunters, one seamstress, her two children, and one passenger. Of these, 11 never returned and most were not heard from again until September 1914. During th... | 2026-01-27T19:11:26.324143 |
1,079,377 | 3.955187 | http://www.sciencedaily.com/releases/2011/03/110321134617.htm | A new study by Baylor University geology researchers shows that Native Americans' land use nearly a century ago produced a widespread impact on the eastern North American landscape and floodplain development several hundred years prior to the arrival of major European settlements.
The study appears online in the journa... | 2026-02-03T21:41:33.217098 |
841,903 | 4.437966 | http://en.m.wikibooks.org/wiki/Haskell/A_Miscellany_of_Types | So far the only basic types we have looked at are Integers and Lists, although passing mention was made of strings and characters. This section will cover the major basic types.
An important thing to understand about the built-in types of Haskell is that they are not particularly special. From the compiler's point of v... | 2026-01-31T08:54:19.088611 |
757,459 | 3.887592 | http://nrich.maths.org/453/solution?nomenu=1 | Copyright © University of Cambridge. All rights reserved.
The simplest tree graph consists of one line with two vertices, one at each end.
If a new line is added it must connect to one and only one of the existing vertices.
If the new line connected to no vertices, the tree graph would not be connected, as the new line... | 2026-01-29T23:08:15.964071 |
968,721 | 3.780617 | http://blogs.msdn.com/b/rezanour/archive/2011/05/19/math-primer-vectors-i-points-vs-vectors.aspx | Some math and physics libraries contain separate data types to represent points and vectors. I’ve seen many people become confused by this, since more commonly packages use vectors exclusively for everything. What’s going on here? Why have 2 separate types? Well, the answer is quite simple. Strictly speaking, a point i... | 2026-02-02T06:50:44.759185 |
854,756 | 3.950744 | http://www.free-online-private-pilot-ground-school.com/auxiliary-aircraft-systems.html | Auxiliary Aircraft Systems
Airplanes are equipped with either a 14- or 28-volt direct-current electrical system. A basic airplane electrical system consists of the following components:
- Master/battery switch
- Alternator/generator switch
- Bus bar, fuses, and circuit breakers
- Voltage regulator
- Associated electric... | 2026-01-31T14:10:07.547084 |
449,083 | 4.009328 | http://www.sherpaguides.com/georgia/flint_river/wildnotes/index.html | The Natural Georgia Series: The Flint River
Rivers are among the most human-impacted ecological systems in the world. As people colonize a continent they tend to follow river corridors, building settlements along the way. As commerce develops, rivers become important transportation routes. To aid river traffic, channel... | 2026-01-25T04:29:31.193159 |
964,869 | 4.379124 | http://www.learner.org/courses/envsci/unit/text.php?unit=12&secNum=6 | Unit 12: Earth's Changing Climate // Section 6: Present Warming and the Role of CO2
There is clear evidence from many sources that the planet is heating up today and that the pace of warming may be increasing. Earth has been in a relatively warm interglacial phase, called the Holocene Period, since the last ice age end... | 2026-02-02T05:35:55.483854 |
489,854 | 3.648163 | http://tewt.org/index.php/lessons-activities/commonly-taught-books/74-grapes-of-wrath | Suggested Introduction to The Grapes of Wrath
Begin with an historical introduction to the Great Depression using public domain images available via the Library of Congress American Memory exhibition. Select a few images - such as "Migrant Mother" by Dorothy Lange to the right - to include in a slide show and add a que... | 2026-01-25T21:14:29.986529 |
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