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26 Facts about Desertification and Drought
The World Day to Combat Desertification and Drought is celebrated today, June 17. This day was proclaimed on January 30, 1995 by the United Nations General Assembly. Its purpose is to highlight ways to prevent desertification and recover from drought. Each annual celebration h... |
Booker T. Washington’s philosophy and actions betrayed the interests of African Americans because he was more interested on the blacks getting educated and getting the respect of the white authorities, instead of worrying on getting their political and social equality right away, which was the main interest of the Afri... |
"Engineering for a Dynamic Planet": We use inquiry and design engineering to explore how climate change affects Earth systems — from building sensors for detecting air pollution to exploring the special properties of water that make it so important for the survival of all life on the planet. Students use problem-solvin... |
Light Emitting Diodes (LED's) are the small lights commonly used in electronics. LED's emit a single wavelength (color) of light, with a brightness proportional to the current supplied.
Various styles of LEDs have different operating specifications. LEDs can be ran off multiple voltages, but a series resistor is requir... |
NASA's Kepler Space Telescope has spent the last eight years searching for Earth-like exoplanets that orbit other stars. Although the telescope's camera can't take clear pictures of bright stars, astronomers have figured out how to study stars using Kepler's distorted photographs.
An international team of astronomers u... |
Why are planets round, when other objects in space have funny shapes?
Discovery’s Director of the Henry B. duPont III Planetarium, David Mestre, explains.
There are a couple of reasons. One reason is part of the working definition scientists use for what makes an object a planet is that it IS round. Some objects in spa... |
Geological Impact on Ancient Architecture and Ancient Building Materials
Architectural designs of buildings have developed from the past to the present with trial and error. Many construction materials have been used in ancient buildings as a result of these trials. You have seen how the Egyptian Pyramids, the most wel... |
Unlike our Sun, most stars live with a companion. Sometimes, two come so close that one engulfs the other – with far-reaching consequences. When a Chalmers-led team of astronomers used the telescope ALMA to study 15 unusual stars, they were surprised to find that they all recently underwent this phase. The discovery pr... |
This section has students look at how they act, feel, and think. Topics covered include self-esteem, social image, decision-making skills, and personal values (what is important to each student). The activities are designed to provide students with a chance to practice decision making and to empower them to make health... |
A persistent low-pressure system sat over Australia’s “Red Center” for several days at the end of January and into February 2006, bringing rain to a landscape better known for its dry conditions and parched starkness. Storms are normal phenomena, however, in the Australian monsoon season (locally known as “The Wet”). T... |
There is no life without communication. A heart will not beat, an eye will not see, a flower will not bloom, unless cells are exchanging information continuously. Such information comes both from the outside environment - such as light and temperature, for instance - and the inside environment - such as calcium, hormon... |
A robotic arm is designed to help children practice and improve hand coordination.
The device uses haptic technology—which means it applies forces, vibrations, or motions to the user—to guide a child’s hand as they play computer games designed to help writing.
The games the children play require them to practice hand a... |
Want To See The Past? Put A Telescope On The Moon
The Puerto Rican radio telescope, Arecibo (the dish known from films such as Contact and GoldenEye) collapsed and was then decommissioned in late 2020. But, from its ashes, a new idea was forged.
See, Arecibo was different. Funded in the 1960s initially to detect incomi... |
Since the stock markets began, gold has gained a reputation to have a negative correlation to stocks and a positive correlation when compared to inflation. However, gold’s history as a financial asset and store of value began long before this.
Gold coins were minted and used as currency as far back as 550BC, but gold w... |
The Orton-Gillingham method of reading instruction was developed in the early-20th century. It was developed to teach struggling and non-readers how to read and write. The program works with all students, especially those with dyslexia, auditory and visual processing disorder and ADHD.
Students are taught spelling simu... |
A nice follow-up activity, to do after you read the book Chicka Chicka Boom Boom and Chicka Boom 1 2 3. Students trace and then write the number and number word, plus bingo dot or color, that many coconuts beside the coconut tree.
These are great activities to do after reading Dr. Seuss' (Theo. LeSieg's) book, Ten Appl... |
Tracing humans back to a common ancestor is nothing new and is something that has been done for many years.
But a study from February 2022 may have made a major breakthrough by finding out where that ancestor originates from.
Researchers from the University of Oxford's Big Data Institute ended up mapping out the larges... |
Giant, carnivorous dinosaurs like Tyrannosaurus rex really did dominate Earth. The predacious habits of these animals were so vast, in fact, that they muscled out the competition from smaller predatory species.
In a study of 43 dinosaur communities spanning 136 million years of prehistory, Katlin Schroeder at the Unive... |
How to Make Particle Board
Particle board is a composite material that’s made by mixing wood particles with a resin or some other binder. It’s cheaper and has a more uniform appearance than wood and is most often used in applications where cost is more important than appearance and strength.
Particle board is one of th... |
Winston Churchill led an extraordinary life, but perhaps the most remarkable element in his life was how he became prime minister in 1940. Just a few years earlier he was widely seen as politically isolated and was widely ridiculed for his views. Yet in 1940, he was appointed his nation’s Prime Minister at its darkest ... |
Hobbes (1588-1679) Thomas Hobbes was an English philosopher who many consider to be the founder of modern political philosophy. His most important contributions include the idea of the social contract, the natural equality of all men, the rights of the individual, and the legitimation of power. The social contract was ... |
We at Language Lizard always strive to promote inclusion, and celebrate diversity. We encourage schools, teachers and families to address the inequities that exist in our society. This post contains resources that specifically address how parents and teachers can talk about race and racism with children.
“Our ability t... |
Letter F is a consonant that makes a short and quick sound. The letter F usually makes /fuh/ as in fall, fan, fig. The letter F sound is observed in the digraph "gh". The "gh" represents the /f/ sound when a vowel follows it as in tough, rough. Kidzezone Letter F worksheets provide a great resource to practice and lear... |
In contemporary power systems, maintaining the safety and stability of the electrical grid is of utmost importance. One crucial component that plays a vital role in ensuring this is the protective relay.
The protective relay serves as the backbone of power system protection. Its primary function is to identify abnormal... |
According to the Food and Agriculture Organization of the United Nations, one third of all food globally produced is lost or wasted. While food loss varies from country to country, first world countries actively see food loss in double digit percentages.
Subsequently, 8 percent of all greenhouse gas emissions are cause... |
As we enter the colder months, a lot of people get blue from the lack of sunlight that occurs during this season. Scientists from John Hopkins University set out to better understand the effects of depression on mice in the hopes that it would tell them something about how the disorder impacts humans. After exposing th... |
The chemical compound silica, also known as silicon dioxide, is the oxide of silicon, chemical formula SiO2. Siliceous is an adjective meaning “referring to silica”.
Silica is found in nature in several forms, including quartz and opal. In fact, it has 17 crystalline forms. The most common constituent of sand in inland... |
Discrimination is defined as the unjust treatment of individuals or groups based on certain characteristics such as race, gender, age, religion, sexual orientation and more. Discrimination can take many forms, including but not limited to:
- Racial discrimination: treating someone unfairly because of their race or ethn... |
Scoliosis What is it?
Scoliosis is a lateral, or sideways, curvature of the spine, which in its normal state should be a straight vertical line when viewed from the front or back. Viewed from the side, a normal spine curves slightly backward to produce a mild degree of roundness in the upper back area and slightly inwa... |
What is Vitamin D
Vitamin D is a fat-soluble vitamin that the body produces when the skin is exposed to sunlight. It plays an important role in keeping the body functioning well, and it helps prevent and fight off many diseases.
Sources of Vitamin D
Getting enough sunlight is the best way to help the body produce enoug... |
Building Vocabulary and Sight Words
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Sue Landreth is working with a small group of second-grade boys on their sight words. They are working to master a ... |
What is a cube root?
In arithmetic and algebra, the cube of a number n is its third power: the result of the number multiplied by itself twice: n³ = n * n * n. It is also the number multiplied by its square: n³ = n * n².
This is also the volume formula for a geometric cube with sides of length n, giving rise to the nam... |
The Importance of Habitat Conservation: How Land Preservation Helps Protect Wildlife
Habitat conservation involves preserving natural habitats to safeguard biodiversity. Natural habitats provide essential resources for wildlife, including food, water, shelter, and breeding grounds. Human activities such as deforestatio... |
Sometimes we say things in order to help students do the math rather than understand the math. Those statements can create misconceptions and confusion when the statements no longer hold true at later grades.
“The equals sign means is the same as”
When does it fall apart?
Avoiding the phrase “is the same as” is more of... |
Although methane is the second most important greenhouse gas its sources are quite poorly understood. However, new methods of measuring atmospheric methane may be able to help.
Methane is a molecule containing one carbon and four hydrogen atoms. These atoms usually have an atomic mass unit of 12 (carbon) and 1 (hydroge... |
A good citizen is someone who actively participates in society, abides by the law, and strives to make their community a better place. Here are some of the responsibilities of a good citizen:
Obey the law: One of the primary responsibilities of a good citizen is to abide by the law. This includes following traffic rule... |
Presidents occasionally name temporary commissions to investigate and report on a problem or issue, though those reports do not always result in policy action. Examples are the commissions formed to investigate the assassination of President John F. Kennedy and the terrorist attacks of September 11, 2001.
Significant e... |
Creating & Designing Games
Primary 4a & 4b have been working together in small groups to create & design games.
They were all encouraged to use their own ideas, share with each other and make decisions to plan a game.
Each group had to ensure their game contained the following:
- Physical activity
- Challenging movemen... |
Tech Tools and Tips for Teaching Coding to Students with Learning Disabilities
Coding is at the heart of the technologies that are integrated into our digital world. It’s how we communicate with computers and build software, apps, websites and video games.
“Coding is a new form of literacy,” according to TekkieUni, an ... |
Physicists Built a Wormhole for Magnets
The metal sphere lets one magnetic field pass through another undetected, which could lead to improvements in medical imaging
Wormholes are science fiction staples that can send travelers across galaxies without having to worry about 1,000-year trips or cosmic roadblocks. Predict... |
A green economy is defined as low carbon, resource efficient and socially inclusive. In a green economy, growth in employment and income are driven by public and private investment into such economic activities, infrastructure and assets that allow reduced carbon emissions and pollution, enhanced energy and resource ef... |
Diktat is a German word that means "dictation" or "dictatorship." It is often used to refer to the harsh terms imposed on a defeated country by the victors in a war. In the context of Germany, the term diktat is most commonly associated with the Treaty of Versailles, which was signed at the end of World War I in 1919.
... |
October is LGBT History Month in the United States. When it was founded in 1994, LGBT History month celebrated contributions by Lesbian, Gay, Bisexual, and Transgender Americans, but it has since grown to celebrate the diverse spectrum of LGBTQIA communities and is inclusive of people who identify as Queer, Intersex, a... |
->To tell other people about something that has happened in your life.
->To tell about what you did at the weekend.
->It might be about exciting things that happened when you were on holidays last year.
->Speaking or writing about past events is called a recount.
-> In short a recount is a piece of text that retells pa... |
By Oscar Wilson, Michael Pashkevich, Kees Rookmaaker, and Edgar Turner.
This Plain Language Summary is published ahead of the article discussed; check back soon for a link to the full paper.
Rhinos are among the most charismatic and well-known mammals on Earth, but face extinction because of human activities: hunting a... |
Jodi Rowley, Australian Museum and Will Cornwell, UNSW
Frogs are one of the most threatened groups of animals on Earth. At least four of Australia’s 240 known frog species are extinct and 36 are nationally threatened. After last summer’s bushfires, we needed rapid information to determine which frogs required our help.... |
The Ancient Period:
Eearlier known only as Bengal, Bangladesh had been a fertile alluvial land that attracted outsiders from time immemorial. Thanks to the inherent open-minded nature of Bengalis, the history of Bengal was one that is marked with constant inward migration and assimilation of outside cultures. Anthropol... |
The oceans are becoming more acidic because of the rapid release of carbon dioxide (CO2) caused by anthropogenic (human) activities, such as burning of fossil fuels. So far, the oceans have taken up around 30% of all anthropogenic CO2 released into the atmosphere. The continuous increase of CO2 has a substantial effect... |
Early American Indian Police played a strong role in the settlement of the West.
Before recorded history, American Indians practiced some form of policing. The Sioux possessed the most organized tribal police society called the Akicita, also known as warrior societies, policing societies or whip bearers. Their duties i... |
So far in this series on reading comprehension, we have looked at literal comprehension, inferences, and deductive thinking. In this final segment, we turn our attention to logical reasoning. In more advanced courses, students are asked to determine whether the position taken by the writer is logically reasonable. They... |
In the mathematics of Einstein’s Theory of Relativity, black holes are predicted and astronomers have proven beyond all doubt that they exist. The centre of our own galaxy harbours one of these monstrosities and so do nearly all galaxies observed.
In the same mathematical models which predict black holes, there are pre... |
Books for Middle School Students
Clicking on the book titles below will take you to either the publisher or the book's page on Amazon.com where you can purchase the book.
Euclid: The Thirteen Books of The Elements Translated with introduction and commentary by Sir Thomas L. Heath
- "If your personal library could only ... |
COGNITIVELY IMPAIRED PATIENTS and RESIDENTS
At the end of this class, you will be able to:
- Define communication.
- Describe three kinds of
- Communicate with people who
have cognitive impairments.
Those who give care in the hospital, nursing home or
in a person's own home communicate with their patients and residents... |
Trigonometry is a big topic in O Level Additional Mathematics. There are many different concepts in this topic Trigonometry.
For Additional Math, students need to also know the trigonometry concepts taught in elementary mathematics. These applying the ratio of sine, cosine, and tangent to right-angle triangles and the ... |
Understanding the battlefield landscape
The main action of the battle usually started when opposing armies faced each other and came to close contact, but there was frequently skirmishing or secondary fighting before, during and after the course of a battle. Troops did not stay at a single spot, but moved across the la... |
Back on January 4, the Moon moved in front of the Sun, almost completely blocking our view of the Sun back on Earth. The Japanese-American Hinode satellite snapped this absolutely incredible photo of the eclipse from up in space.
This particular type of eclipse is known as an annular solar eclipse, which occurs when th... |
There's more than one way to spark a star. Although the world's biggest laser missed a key target date on the road to producing clean energy via nuclear fusion, an independent review panel says the technology holds enough promise to continue the quest – with a few modifications.
The US National Ignition Facility (NIF) ... |
Sea otters were originally found throughout the north Pacific including Japan, Russia, the United States, Canada and Mexico. By the late 1800s, they had been eliminated from most of their range due to over-harvest by fur traders. Sea otters came under international protection in 1911 and since then, their numbers have ... |
In the Galápagos, the swamp hibiscus has long been high on conservationists' hit lists. This pale, yellow-flowered bush, thought to have invaded the islands from elsewhere in the Pacific, has been rapidly overtaking native habitat in the Ecuadorian archipelago. Eradication and control plans were in the works.
No longer... |
|Index to this page|
Charles Darwin and his son Francis discovered (in 1880) that the phototropic stimulus is detected at the tip of the plant.
The Darwins used grass seedlings for some of their experiments. When grass seeds germinate, the primary leaf pierces the seed coverings and the soil while protected by the cole... |
ESO's Very Large Telescope has been used to create the first ever map of the weather on the surface of the nearest brown dwarf to Earth. An international team has made a chart of the dark and light features on WISE J104915.57-531906.1B, which is informally known as Luhman 16B and is one of two recently discovered brown... |
Study finds Sun rounder than previously thought
Solar constant Scientists have discovered that our Sun is an almost perfect sphere with a far more constant shape than previously thought.
The findings appear today in the journal Science.
The Sun's solar cycle has been linked to climatic changes on Earth, with long term ... |
Canadian ParliamentArticle Free Pass
Canadian Parliament, legislature of Canada, created by the British North America Act. The 301 members of its House of Commons are elected for maximum terms of five years from the provinces on the principle of representation by population. The 105 members of its Senate are appointed ... |
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
October 19, 1999
Explanation: A magnetic compass does not point toward the true North Pole of the Earth. Rather, it more closely points toward the N... |
Print the Volcanoes reading
comprehension passage and questions (see
Students should read the passage
silently, then answer the questions. Teachers may also use the text as
part of a classroom lesson plan.
If you look at a volcano far away, it looks like a mountain. The main difference is a mountain is made of solid ea... |
From Uncyclopedia, the content-free encyclopedia
Uncle Tom (1814-1893), was a noted American slave and anti-abolitionist, who became famous for his stories about the good old days of slavery.
Uncle Tom, born Mustafa Mubutu-ibn-Jabezz al-Ifrica, was a fourth generation free black. Raised in Boston, Massachusetts, Uncle ... |
Get Fraction Multiplication help and reviews then put what you learn into practice with practice problems. Use Education.com to study algebra.
This worksheet will help your child understand how to multiply fractions with fractions.
Ride along with the Lakota tribe with this history worksheet. These Native Americans wer... |
When it comes to the origin of life on Earth some four billion years ago, there’s a problem. At that time, the young Sun was approximately 75 percent dimmer than it is now. That would have made the Earth significantly colder, in fact, too cold for liquid water.
However, we know that liquid water is essential for life a... |
Learn something new every day More Info... by email
Cancer of the palate is a cancerous growth that affects the roof of a person's mouth. The roof of the mouth is called the palate, and it has two parts to it. The hard part consists of a bony frontal portion, which is referred to as the hard palate. The softer part at ... |
Nauru had little contact with Europeans until whaling ships and other
traders began to visit in the 1830s. The introduction of firearms and alcohol
destroyed the peaceful coexistence of the 12 tribes living on the island.
A 10-year internal war began in 1878 and resulted in a reduction of the
population from 1,400 (184... |
Name of Pest: Elm Bark Beetle. Hylurgopinus rufipes (Eichoff); the native elm bark beetle colytus multistriatus (Marsham); the smaller European elm bark beetle
Several species of elms (Ulmus ); the American elm, in particular.
Both of these species are important solely for their ability to inadvertently vector (transmi... |
Emerging techniques to pull carbon dioxide from the air and store it away to stabilize the climate may become increasingly important as the planet tips into a state of potentially dangerous warming, researchers from Columbia University’s Earth Institute argue in a paper out this week.
The upfront costs of directly taki... |
What is lymphoedema?
Oedema (or Edema) is a collection of fluid, so lymphoedema is a collection of lymph fluid in the body tissues.
In every person there is a small amount of fluid (lymph) in the body tissues. This is fluid that has left the blood system to provide water and nourishment to the tissues. Normally most of... |
Gastroenteritis, also known as Stomach Flu or Stomach Virus, is a highly communicable condition that causes an increase in the frequency and water content of the stool as a result of inflammation of the mucous membranes of the stomach and intestinal tract. It is an acute diarrheal illness that causes significant morbid... |
Decimal NumbersA decimal number is any number written with a period in it. We commonly see decimal numbers every time we write dollars and cents. If gasoline is selling for three dollars and 49 cents a gallon, we would write this as a decimal:
In this decimal number, the 3 represents the ones place value, 4 represents ... |
Food-insecure households are those that are unable at times during the year to acquire adequate food because they lack sufficient money and other resources. Food security is especially important for children because their diet quality affects not only their current health, but also their development and future well-bei... |
Rational: Breaking the alphabetic code is important for beginning readers. In order for beginning readers to read they have to understand phonemes. This lesson is designed to help beginning readers understand how u = /u/. We will do this by working with a tongue twister. Students will be able to find and hear /u/ in sp... |
Treaty of Paris of 1898
Commissioners from the United States and Spain met in Paris on October 1, 1898 to produce a treaty that would bring an end to the war after six months of hostilities. The American peace commission consisted of William R. Day, Sen. Cushman K. Davis, Sen. William P. Frye, Sen. George Gray, and the... |
The linear flight formations of migratory birds are called echelons. The V and the J structures are typical and are the most readily recognized flock echelons, but other variations also occur. Studies of several species have shown that a true V-shaped echelon is, in fact, less common than a J formation is.
There are tw... |
A radical shortening of their bony tails over 100 million years ago enabled the earliest birds to develop versatile legs that gave them an evolutionary edge, a new study shows.
A team led by Oxford University scientists examined fossils of the earliest birds from the Cretaceous Period, 145-66 million years ago, when ea... |
New France: 1600-1763, Early Years
To confirm its claims to North American territory, France needed to build permanent forts and settlements. But settlements were expensive, and in order to pay for them, commercial colonizers sought a monopoly on the fur trade. Pierre du Gua, sieur de Monts, acquired such a monopoly fr... |
Pterosaurs, the first flying vertebrates that lived between 66-228 million years ago, went extinct around the end of the Cretaceous period. To help make it easier to understand where they lived, Matthew McLain at Loma Linda University has worked with come colleagues to put together PteroTerra, a Google Earth-powered da... |
From CreationWiki, the encyclopedia of creation science
Neanderthals (Homo neanderthalensis), an extinct hominid, lived throughout most of Europe and parts of Asia and northern Africa. At first, Neanderthals represented somewhat of an enigma for evolutionists and creationists alike. However, whilst the vast majority of... |
Goals: Lunar Orbiter 1 was designed to photograph the Surveyor 1 landing site and scout potential landing sites for the Apollo program in the Moon's southern equatorial region. It's cameras were to provide the first clear images of the far side of the Moon.
Accomplishments: Lunar Orbiter 1 was the first U.S. spacecraft... |
In 1890, the Danish American community in Clarks Grove established one of the first cooperative creameries in Minnesota. The Clarks Grove Cooperative Creamery used new technology and a well-organized cooperative system. It became a model for the Minnesota dairy industry. Ten years later, there were more than 550 cooper... |
The Black Hills area can experience spectacular temperature variations. Day-to-day changes occur as cold and warm fronts cross the northern Plains. However, temperature ranges across the area at a given time can be just as great. They happen rapidly as the wind direction changes, most notably the warming Chinook winds ... |
Learning Styles? Or Learning Skills?
April 29, 2013—For many years, educators have taught that children have specific learning styles that affect how they relate to presented information. It’s true that the brain can acquire bits of information through different modalities, and it’s also true that we may each start wit... |
The centriole is a cell organelle which is found in most of the eukaryotic cells of animals. The cells of plants and also that of fungi don't contain this cell organelle. It has a barrel-shaped structure that is formed of microtubules. The set of 9 triplets of these microtubules is lined along walls of cells. Length of... |
Because geothermal energy is generated by steam produced by underground hot-water reservoirs, its use has been limited to places where those geological features are easily accessible. Iceland, which has numerous hot springs, has become the world leader in geothermal energy; 89 percent of all indoor heating in the count... |
As human populations increase, more housing, roads, malls, parking lots and highway are built and this often means that streams and wetlands are filled in, built on or paved over. Chinook and coho are the two species of salmon particularly impacted by urban development. Coho salmon are found all year round in stream sy... |
Photo By NASA
The East African Rift is a classic example of rifting, an area where tectonic plates move apart from each other. Rifts often form stunning geological features. The East African Rift is characterized by deep valleys in the rift zone, sheer escarpments along the faulted walls of the rift zone, a chain of la... |
Black Canadians: A Brief History
Compiled by Ms. Sadie Kuehn, British Colombia, Canada.
Black slavery arrived in what is now Canada shortly after is brought to North America.
For 200 years, Black Canadian slaves were bought and sold at public auctions, whipped
publicly, and, in some instances, tortured.
So begins Colin... |
Spatial Coordinates Help (page 2)
Latitude And Longitude
Latitude and longitude are directional angles that uniquely define the positions of points on the surface of a sphere or in the sky. The scheme for geographic locations on the earth is illustrated in Fig. 6-1 A. The polar axis connects two specified points at ant... |
Video: See the rocket in action
There's a growing chorus of calls to send astronauts to Mars rather than the moon, but critics point out that such trips would be long and gruelling, taking about six months to reach the Red Planet. But now, researchers are testing a powerful new ion engine that could one day shorten the... |
A republic is a representative form of a democracy. What sets apart a republic from a true democracy is that in a republic leaders are elected and those leaders actually handle the day to day decision making of the government. In a pure democracy the people hold a forum to decide nearly every issue. A republic can take... |
Was WWII Inevitable?
Extracts from this essay...
Was WWII inevitable? If so, why and when? If not, when and how could it have been avoided? World War II was inevitable for a multitude of reasons. The foremost reason was the existence of three respective, powerful aggressor states (Germany, Italy, and Japan) with imperi... |
Atmospheric Sciences & Global Change Division
Thin is In
Researchers wait out severe weather to learn about thin clouds—up close and personal.
Results: Ice storms and tornadoes were not enough to stop a team from the Pacific Northwest National Laboratory who traveled to Oklahoma in January to begin an aircraft field st... |
Why there is an Electoral College and how it works
WASHINGTON (AP) — Presidents are elected not by national popular vote but by an 18th century constitutional compromise called the Electoral College.
HOW IT FORMED:
When framers were drafting the U.S. Constitution, there were two competing ideas on how to elect the pres... |
At the foot of the Red Planet’s giant volcano
Hundreds of individual lava flows are seen frozen in time on the flanks of Olympus Mons, the largest volcano in the Solar System.
The images, taken on 21 January 2013 by ESA’s Mars Express, focus on the southeast segment of the giant volcano, which towers some 22 km above t... |
A cognitive bias is a pattern of deviation in judgment that occurs in particular situations. Implicit in the concept of a "pattern of deviation" is a standard of comparison; this may be the judgment of people outside those particular situations, or may be a set of independently verifiable facts.
Cognitive biases are in... |
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