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Coral reefs are instrumental to the health of the marine environment. They are home to 25% of all marine life, and provide important ecosystem services. They are also notoriously susceptible to the effects of climate change. Increasing ocean acidity, combined with rising temperatures, is killing corals at an alarming r...
Researchers at the University of Copenhagen have successfully isolated the oldest human genetic material to date, from an 800,000-year-old human fossil. The study gives us insight into humanity’s past going back much farther than previously considered possible. It could also help us get a better understanding of the di...
Viruses behave in very complex ways. Their unpredictability is the reason why we’ve seen so many different strains and variants of SARS-CoV-2: the virus that is responsible for COVID-19. Since the beginning of the pandemic, experts have been monitoring changes in COVID-19 so they can understand it and find ways to cont...
How TVA helped to return a site so massive and denuded it was visible from space to environmental health. When TVA was formed in 1933, a vital part of it’s mission was to remedy the damage done to the earth itself by erosion due to flooding, poor farming methods and careless industry. And one of its most challenging si...
Inertial frame of reference: Reference frame in which Newtonian mechanics holds are called inertial reference frames or inertial frames. The reference frame in which Newtonian mechanics does not hold is called non-inertial reference frames or non-inertial frames. The average speed vav and average velocity of a body dur...
The foundations of Michigan’s Jewish community were laid by the German Jews who came to America in the 1840s and spread out across the continent. Jewish history in Michigan, which became the 26th state on January 26, 1837, began, however, with some hearty frontiersmen who traversed the territory for trade. Credit for b...
That day it hailed during a super volcano eruption Updated: Jan 31, 2021 On a clear early summer morning (see note 1) 11.81 million years ago, the ground exploded in region that is now part of the Snake River Plain in southern Idaho. A massive ash plume surged skyward, reaching well over 100,000 feet in height (see not...
The meaning of “personalized learning” is rooted in research and practice, which lead to the following conclusions: Children have an innate drive to learn, and how they learn best varies from child to child. other. Children are not passive, empty vessels waiting to be filled with facts, but rather active and naturally ...
Hoodoos may be seismic gurus Hoodoo prediction Towering chimney-like sedimentary rock spires known as hoodoos may provide an indication of an area's past earthquake activity. The research by scientists including Dr Rasool Anooshehpoor, from the United States Nuclear Regulatory Commission, may provide scientists with a ...
Jerusalem in the Time of Nehemiah (c. 444–420? b.c.) Jerusalem was destroyed by the Babylonians in 586 b.c. Upon their return from exile in 536 b.c., the Jews, under the leadership of Zerubbabel and Jeshua, first restored the altar and then laid the foundation of the temple. Twenty years later, in 516 b.c., the temple ...
When you begin to experience a loss of hearing, it is essential to understand the type that you are experiencing. When you see your healthcare practitioner, they will be able to inform you about the type you have. The following is a basic educational overview to help you learn about the different types of hearing loss....
Table of Contents How do producers respond to equilibrium? In response to the lower price, consumers will increase their quantity demanded, moving the market toward an equilibrium price and quantity. In response to the demand of the consumers, producers will raise both the price of their product and the quantity they a...
In an ironic twist, researchers have just discovered that a tissue-damaging disease somehow has the potential to regenerate mammalian livers. Leprosy, one of humanity’s oldest and most persistent diseases, is caused by two parasitic bacteria, Mycobacterium leprae or Mycobacterium lepromatosis. These microbes damage ski...
This week’s image from the Hubble Space Telescope shows a small but intriguing galaxy called UGC 7983, which is thought to be similar to some of the earliest galaxies that existed in the universe. Located 30 million light-years away in the constellation of Virgo, it looks like a hazy fuzz and is small enough to be cons...
Resources/Down Syndrome Information/Communication Social communication refers to how we interact with others. Examples of social behaviours often observed under this domain can be nonverbal (e.g. gestures, taking turns, eye gaze, body language, facial expressions) or use of language for social purposes (e.g. greeting o...
Second World War and Its Effects The effects of WWII included the surrender of Germany and Japan, the formation of the Atlantic Charter, and the Universal Declaration of Human Rights. WWII came to an end when Germany signed the Instrument of Surrender. The Potsdam Agreement has signed that obliged Germany to postwar re...
Before discussing evidence for the shape of cost functions it is useful to go over the relationship between cost functions and production functions. The concepts of increasing returns and increasing costs are often confused in these discussions. Empirical studies do not usually attempt to measure cost functions but ins...
Have you ever wondered where banks put their money? Banks are financial institutions that handle our money and help us keep it safe. But what do they do with all the money they receive in deposits? In this article, we will explore the answer to this question in a way that’s easy for kids to understand. Deposits and Loa...
Humans & Chimpanzees Both Have A Propensity To Time Our Steps To Those Of Others The study documented the chimpanzees' gait patterns at the Zambian Chimfunshi Wildlife Orphanage Trust. Much less is known about chimpanzees' inclination to coordinate spontaneously than about how they cooperate when working toward a goal,...
Who hasn’t marveled at the sight of a droplet gliding across a hot surface, somehow surviving well past its logical lifetime? Interestingly, MIT’s Jacopo Buongiorno and Lin-Wen Hu say curbing that mundane phenomenon could lead to big benefits in terms of producing electricity. Buongiorno is an assistant professor of nu...
Europa's Broken Ice Jupiter's moon Europa, as seen in this image taken June 27, 1996 by NASA's Galileo spacecraft, displays features in some areas resembling ice floes seen in Earth's polar seas. Europa, about the size of Earth's moon, has an icy crust that has been severely fractured, as indicated by the dark linear, ...
On September 5, 1882, the Central Labor Union of New York observed the first Labor Day. It became a federal holiday twelve years later, in the wake of the Pullman Strike of 1894. The conflict began in Pullman, IL when 3,000 employees of the Pullman Palace Car Company went on strike in response to cut wages and long wor...
Before we start with this topic, we must first know what culture means. Culture has been defined in a number of ways, but most simply, as the learned and shared behavior of a community of interacting human beings. Culture describes what people develop to enable them to adapt to their world, such as language, gestures, ...
Sickle Cell Disease Sickle Cell Disease is a life threatening disorder in which the body makes sickle-shaped red blood cells. Sickle shaped means that the red blood cells are shaped like a crescent. Normal red blood cells are disc shaped that look like a doughnut without a hole in the center. Sickle cells contain abnor...
Daily Lesson Plan: Elementary Classroom Music Day/Date: Monday, February 21, 2005 Grade/Class: First Grade Concept/Concepts: Demonstrate slow and fast tempo through movement Rationale: I want the children to understand the concept of slow and fast tempo Goals and Objectives: 1. Instructional Goals: To teach the concept...
When you first start reading sheet music you will start with the treble clef notes. Piano teachers starts with the treble clef in the right hand to teach students right hand notes. In order to read music you must understand the concept of clefs. A clef is a symbol used to determine the pitch of a specific note or range...
Introduction - What is Central Banking At its most fundamental level, a central bank is simply a bank which other banks have in common. Small rural banks might each have deposit accounts at a larger urban bank to facilitate their transactions in the city. By this criteria, a financial system might have several central ...
Influenza is a respiratory illness caused by a virus commonly known as ‘the flu’ It’s a highly contagious virus that spreads quickly through schools, the work place and communities most often in the winter months. The flu season can last from October through March. Children are the most contagious during the 24 hours b...
Venus is considered the brother planet of the Earth. However, since their births they have followed different trajectories that have led them to very different destinies. The current atmosphere of Venus is composed of 96.5% carbon dioxide. Toxic clouds of sulfur dioxide travel rapidly through it. But Venus has not alwa...
Judge Napolitao posted the following comment and video on facebook today. "Did you know: The Declaration of Independence was almost never signed because the Southern states demanded the right to keep slavery institutionalized. The slaves were almost freed in 1776." Here are more interesting facts: Few people today real...
Ancient runoff from melting snow may have been the cause for many of the valleys branching across Mars. Researchers at Brown University believe many of the valleys were created runoff of what they call “orographic precipitation” -- when warm, humid air is pushed up a mountain and deposits rain or snow. The source of Ma...
Determine the velocity of sound in air by measuring the resonant frequencies of an open tube. Measure the signal distribution in a closed tube, calculate the wavelength and speed of sound from this data. Compare your results for the speed of sound in air with the results of students working on other experiments (Speed ...
Mold, or Mould, the common name of many types of fungi and funguslike protists; the fuzzy growths these organisms form are also called molds. The growths consist of numerous individual molds growing in colonies. Some molds are saprophytes; they live on dead organisms such as decaying plants or animals and on nonliving ...
The pillory was a device used in punishment by public humiliation and often additional, sometimes lethal, physical abuse. The word is documented in English since 1274 (attested in Anglo-Latin from c.1189), and stems from Old French pellori (1168; modern French pilori, see below), itself from Medieval Latin pilloria, of...
Glossary of parliamentary terms A general election is when people from across the United Kingdom choose who their Member of Parliament (MP) is. In each local area – constituency – there will be several people who want to become an MP after the general election. They are called candidates. When a general election takes ...
DEFINITE AND INDEFINITE ARTICLES In English there are three articles: a, an, and the. Articles are used before nouns or noun equivalents and are a type of adjective. The definite article (the) is used before a noun to indicate that the identity of the noun is known to the reader. The indefinite article (a, an) is used ...
The age old problem of bullying not only still exists but it is spiraling out of control and affecting so many young people day after day. Bullying has been prevalent in schools since schools became a formalized place of education. Bullying was normal and just kids growing up. After the school shootings of Columbine an...
Ocean in Motion: Currents - Coastal Current Sometimes currents occur along the coast and only affect small areas. One current found along the coast is the Longshore Current. This current is caused when waves strike the beach at an angle. The front part of the wave hits the shallow water first and slows down. The rest o...
At the end of primary school or Key Stage 2 (Year 6) kids are expected to take formal tests in Maths and English, sometimes also Science, to assess their levels in a standard way across the whole of England. Usually pupils take two Maths SATs and two English SATs, plus a Science SAT in most schools. What are SATs? SATs...
Learn something new every day More Info... by email The different organs in the muscular system include cardiac muscles, smooth muscles and skeletal muscles. A complete muscle — consisting of muscle fibers, connective tissue, nerve tissue and blood tissue — is considered one organ by itself. There are roughly 600 organ...
Labelling or labeling is describing someone or something in a word or short phrase. For example, describing someone who has broken a law as a criminal. Labelling theory is a theory in sociology which ascribes labelling of people to control and identification of deviant behavior. It has been argued that labelling is nec...
More than 100 years of earthquakes glow on a world map. Credit: John Nelson, IDV Solutions. For millions of people raised in earthquake country, the Richter scale was a constant companion. Earthquakes were reported on the Richter scale, a mathematical formula invented by Caltech seismologist Charles Richter in 1935 to ...
By their final year of schooling, computer science students are commonly well versed on the basics of computer system maintenance and creation. By assigning a final project that allows these knowledgeable students to demonstrate their skills, instructors can both encourage pupils to extend their thinking and gauge stud...
The Earth is a Magnet! - Lesson 6 - day 5 - 45 minutes In this lesson, the Earth’s Magnetosphere will be explored. The teacher will take the children to the computer lab and ask them to an informational site provided by NASA. The children will be able to explore the site and the videos that are linked to the site. The ...
Part of Lesson Plan: Investigating Photosynthesis- A Color Story Activity Overview / Details Using the attached labels label five test tubes per group. Next, have the students removed the leaves one at a time and place them into the corresponding test tube. It’s important to keep track which leaves are which, therefore...
The impact of Uncle Tom’s Cabin was tantamount to its popularity as the second best-selling book of the 19th century behind the Bible. Published in 1852, it did indeed have great influence by giving a lifting wind to the abolitionist movement. However, prosperous plantation owners had some influence too, and banned the...
About 10 percent of Americans have a pollen allergy, also known as allergic rhinitis. Pollen allergies are the result of a problem your immune system has with certain airborne substances that are released by trees and flowers. Instead of allowing you to enjoy the spring and summer, your body reacts to the pollination a...
The Mississippian period (AD 1000-1550) marked a new way of life for Native Americans in what is now the midwestern and southeastern United States. Prior to this time, people in those regions gathered wild foods and supplemented them with produce from small garden plots. Most communities were small. About 1,000 years a...
Solar (Photovoltaic) Cells The photovoltaic effect occurs in semiconductors such as silicon or germanium. Semiconductors, as their name implies, are materials through which charged particles move more slowly than through conductors (e.g. metals), but faster than through insulators (e.g., plastics). Infusing small amoun...
Epic Journeys of Freedom: Runaway Slaves of the American Revolution and Their Global Quest for Liberty Popular views of the American Revolution usually overlook one aspect of it that sharply contradicts the idealized image of a struggle for liberty against oppression. For the one fifth of the population that was Africa...
\|Sri Lanka Table of Contents Some political commentators hold that it was in the wake of the 1956 elections that two completely separate and basically hostile political systems emerged in Sri Lanka: one for the Sinhalese and another for the Tamils. The trend toward Tamil exclusivity, however, despite periods of accommo...
At first glance, Mars' 500-mile-long Nanedi Valles looks like the Grand Canyon, with its steep-sided walls and plunging crevasses, two features that indicate a history of water. However, the Mars we know today is one of freezing temperatures, arid conditions and, most importantly, a paper-thin atmosphere — all combined...
Renewable energy is derived from naturally regenerating energy resources such as the sun, wind, water, biomass, and heat from the Earth’s interior. The key characteristic of renewable energy resources is that they are replenished naturally or through sustainable management practices such that it is not depleted at curr...
On this day in 1784, the Continental Congress ratifies the Second Treaty of Paris, ending the War for Independence. In the document, which was known as the Second Treaty of Paris because the Treaty of Paris was also the name of the agreement that had ended the Seven Years' War in 1763, Britain officially agreed to reco...
Qu Yuan 屈原 Qu Yuan 屈原was born to a Chu nobility family in Zigui, 秭归，around 340 BCE and served in the court of the state of Chu. He lived during a period known as the era of the Warring States, 战国时代 in Chinese history. The era of the Warring States was a transitional period between the Zhou Dynasty 周朝 and the Qin Dynast...
What is a tsunami exactly and why are they so hard to predict? A tsunami is a type of ocean wave that has been generated by a large-scale process such as a large earthquake. They are nearly impossible to predict, as the events that generate them are themselves difficult or impossible to predict. This is partly what mak...
At Issue (Racial and Ethnic Relations in America) Although the American Civil War (1861-1865) was the result of sectional conflict regarding the issue of slavery, both the Union and the Confederate governments initially denied that slavery was a war issue. The Confederate government claimed that it was fighting only to...
HHMI researchers have developed novel techniques and software that will provide scientists with the tools they need to decipher large-scale patterns in the vital - but little-understood - process of DNA methylation. If the wrong gene is turned on at the wrong time, it can wreak havoc in the cell. To prevent this from h...
From Curriki, produced by NASA This NASA video segment explores how Newton's Laws of Motion apply to the lift of an airplane. An instructor at NASA's National Test Pilot School teaches that for an airplane to overcome the downward force of its weight, it must change the momentum of the air molecules colliding with the ...
The Chandra X-Ray Observatory is a NASA telescope that looks at black holes, quasars, supernovas, and the like – all sources of high energy in the universe. It shows a side of the cosmos that is invisible to the human eye. After more than a decade in service, the observatory has helped scientists glimpse the universe i...
On March 28, 1910, the first successful seaplane take-off from water at Martinque, France, occurred. The seaplane or Hydravion was flown by its inventor, Henri Fabre. A fifty-horsepower rotary engine powered the first flight, a 1650-foot distance over water. The plane Fabre flew was nicknamed "Le Canard", meaning the d...
ess to so act, a flood would finally reduce itself to an insignificant rise of water. The following table may yield additional information concerning flood conditions: Levees were constructed by the early settlers of Louisiana about the year 1717 near New Orleans. In 1844 the right bank of the river in this state was e...
Better Students Ask More Questions. What were the lasting effects of the Treaty of Versailles? 1 Answer \| add yours The lasting effect of the Treaty of Versailles was World War II. This was the most important effect that this treaty had. The treaty led very directly to WWII because it made Germany very unhappy. Germans...
Scrub-birds are shy, secretive, ground-dwelling birds of the family Atrichornithidae. There are just two species, one of them rare and very restricted in its range, the other so rare that until 1961 it was thought to be extinct. Both are native to Australia. The scrub-bird family is ancient and is understood to be most...
Yuan Dynasty: The Mongolian dynasty that ruled China from 1279 to 1368. It was founded in 1271 by Kublai Khan (Genghis Khan's grandson). The Yuan Dynasty was preceded by the Song Dynasty, and followed by the Ming. The Yuan Dynasty moved China's capital to Beijing (then called Dadu). Yuan China was considered the most i...
A boundary between two air masses, one cold and dense, the other warm and less dense. Fronts are regions of uncertain weather: cloud and rain, variable humidity and wind, and low air pressure. A warm front is where warm air advances, displacing cold; the reverse happens in a cold front. An occluded front occurs often t...
The Spanish Inquisition was a tribunal started in 1478 in Spain. It was started by Ferdinand II of Aragon and Isabella I of Castile. During the Spanish Inquisition many people were burnt in front of crowds in the streets. Anyone who was not loyal to the Roman Catholic church was in danger of being called a heretic and ...
Naming Ionic Compounds: Simple Binary, Transition Metal & Polyatomic Ion Compounds - Track Progress - 0:05 Naming Binary Ionic Compounds - 1:30 Ionic Compounds w/ Transition Metals - 3:16 Naming Polyatomic Ionic Compounds - 6:36 Lesson Summary An important part of dealing with chemical compounds is knowing how to refer...
Some of the most challenging Math questions on the ACT involve Coordinate Geometry, so it’s important you have a solid grasp on the formulas and concepts tested. The most basic concept you’ll encounter is inequalities. To graph a range of values, you’ll need to draw a number line and plot the beginning and end of the r...
If you walk into Peg Clapham’s third grade class at the Healy school in Somerville, MA on Tuesday mornings, you will see children making geometric quilt designs and talking math. Clapham and her students are among the six classes participating in EDC’s Technology Enhanced Learning of Geometry (TELG) project, which is u...
European coastal waters, Caribbean Sea, Atlantic and Indian Oceans Some African Americans saw the Revolution not only as a fight for justice, but also their own liberty and freedom from slavery. Others responded to the Dunmore's Proclamation, and fought for their freedom as Black Loyalists. Benjamin Quarles believed th...
DACHAU, town near Munich, Bavaria, where the nearby concentration camp was established on March 10, 1933. It was the first of the *SS-organized concentration camps and became the model and training ground for all other camps when they were taken over by the SS in April 1933. The Dachau camp was established within 40 da...
\|This article needs additional citations for verification. (July 2013)\| \|\|This article may be expanded with text translated from the corresponding article in the Norwegian (bokmål) Wikipedia. (August 2013)\| Renaissance literature refers to that part of European literature which is influenced by the intellectual and cul...
Experiment with Liquids Emily, Kindergarten Teacher A liquid takes on the shape of the container it is in. - water containers of assorted shapes and sizes - plastic tubs (to catch any water spills) - Water is a liquid. - Does a liquid have a special shape? - What shape is water? - What happens when it is put into somet...
Gymnosperms: Pine Cone Experiment Pine cones, fir cones, spruce cones: if you live in a cool climate, you’ll see these seed-bearing structures all over the parks and the roads. Why do trees make cones? They’re the places where trees make and keep their seeds. In this investigation, you’ll explore the different properti...
Ménière’s disease is a disorder of the inner ear that causes severe dizziness (vertigo), ringing in the ears (tinnitus), hearing loss, and a feeling of fullness or congestion in the ear. Ménière’s disease usually affects only one ear. Understanding the pathogenesis of Meniere's requires a study of known and unknown cau...
Four freedoms speech On January 6, 1941 President Franklin D. Roosevelt delivered his eighth State of the Union address, now known as the Four Freedoms speech. The speech was intended to rally the American people against the Axis threat and to shift favor in support of assisting British and Allied troops. Roosevelt's w...
The point where those electrons enter an electrical circuit is called the "source" of electrons. The point where the electrons leave an electrical circuit is called the "return" or "earth ground". The exit point is called the "return" because electrons always end up at the source when they complete the path of an elect...
The growth of the Internet Every conduit can take a 144-fiber cable Thanks to the virtually infinite bandwidth of fiber—or rather, the empty tubes that can hold multi-fiber cables—the Internet has continued to get faster for almost four decades, with congestion only proving a temporary condition. But now, it's again un...
A neuron is a very fascinating cell. It is a cell that is specialized to detect changes in the environment, translate that environmental information into the language of membrane potential changes (electrical signals), and engage in long-distance communication by transmitting such electric signals to distant targets in...
Autism spectrum disorder (ASD) is the collective term used for diagnosing a range of autism-related conditions centered on communication deficits, impaired social interaction skills and the presence of certain ritualized or repeated behaviors. One especially severe form of ASD, called Rett’s disorder or Rett syndrome, ...
What is Supply Management? As you probably know, the dairy farming sector in Canada operates under what is known as supply management. The objectives of Canada’s dairy supply management are: - Ensuring farmers receive a fair return, derived completely from the marketplace, on their capital and labor costs - Providing p...
Every year, Europe landfills and burns over €5 billion worth of recyclable materials. Burying and burning our planet's precious resources is neither economically viable nor environmentally sustainable. If these materials were recycled, it would save an estimated 148 million tonnes of CO2 equivalent, similar to taking 4...
A group of scientists in the U.K. created a membrane 'sieve' capable of removing salt from seawater to make it drinkable by using graphene, a wafer-thin sheet of carbon atoms. Reporting their findings in the Nature Nanotechnology journal, researchers from the University of Manchester have claimed that the process of de...
This widespread and familiar white butterfly is one of the most common butterflies in Europe (4). As the name suggests, adults have whitish upper wings. The forewings have black tips and the undersides of the wings are bright yellow, featuring blackish scales. Males and females are easy to distinguish, as females have ...
Verbs that function as a different part of speech are called verbals. Although we use verbals in our speech constantly, we may not stop to think about the fact that they were originally verbs. Being able to identify these words as verbals -- and not, for example, as verbs -- can help us to figure out how a specific sen...
Most technologies for harnessing the sun’s energy capture the light itself, which is turned into electricity using photovoltaic materials. Others use the sun’s thermal energy, usually concentrating the sunlight with mirrors to generate enough heat to boil water and turn a generating turbine. A third, less common approa...
Integrate technology into elementary math instruction Developing conceptual reasoning is one way educators are working to empower the next generation of mathematicians. Educational technology products are an essential part of helping students and teachers achieve this goal. The Common Core State Standards, which have b...
The purpose of this module is to provide students with the opportunity to study in depth one country in contemporary Africa. This module will provide students with learning activities that will enhance their general knowledge and understanding of the history, geography, societies and cultures of Kenya. - What kinds of ...
Thank you for taking time to read and/or review this assignment with your child. All: Looking out the window from your house, choose a winter “landscape” to draw. Draw with pencil on white unlined paper. Computer printing paper will work and should be included in your folder. If you do not have a clean sheet of paper, ...
Deep beneath the ice of the South Pole exists a lifeform that could help us manage greenhouse gas emissions. The bacteria that live there survive by digesting methane, acting as a phenomenal biofilter between the frozen environment and the rest of the planet. In 2013, an international and interdisciplinary team of scie...
THE ELK POPULATION The elk that winter on lands within the Jackson Hole, Buffalo River, and Gros Ventre River valleys are collectively called the Jackson Hole herd. A division of this herd into its north and south segments, major winter herds, summer segments and groups is shown in Table 3. The elk that summer in Grand...
The first convincing chimp fossil has been discovered by scientists. Unlike our human ancestors, whose fossil remains are relatively plentiful, chimps have always been conspicuously absent from the fossil record. Many experts doubted such specimens could exist because most chimps live in the rain forests of West and ce...
Far from being a crystalized set observance, Thanksgiving in America has been a holiday that has changed considerably from how it was initially celebrated. There have been obvious minor changes: sports events on TV rather than game hunting, turkey as the main course rather than venison, and the manifestation of the maj...
Philosophy for Children The school has developed an excellent reputation for developing children’s thinking through philosophy and we have hosted special days, workshops, and training sessions on Philosophy. It is built into our curriculum so that children learn to challenge ideas, question them and take their thinking...
Metals are able to conduct electricity because they have valence electrons. These are electrons that can move through the atoms that make up the metal. As they do so, they are able to pass along electric currents as they repel other electrons in the atom.Continue Reading All materials can conduct electricity, but non-m...
FC: Mrs. Bartlett's World History Project By: John Niemeyer 1: Table of Contents \| pages 1-2 Mesopotamia pages 3 Mesopotamian pictures pages 4-5 Egypt pages 6 Egyptian pictures pages 7-8 India pages 9 India pictures pages 10-11 China Pages 12 China Pictures 2: Mesopotamia \| 1. Most of Mesopotamia is surrounded by two r...
The image above, a composite of visible and infrared light images captured by the Hubble Space Telescope, shows the newfound locations of five small and incredibly ancient galaxies which are in the process of merging into a galactic cluster. Located a staggering 13.1 billion light-years away, these galaxies were in exi...
This picture explains about the mesosphere . The mesosphere is a layer of Earth's atmosphere. It starts about 50 km (31 miles) above the ground and goes all the way up to 85 km (53 miles) high. The layer below it is called the stratosphere . The layer above it is the thermosphere . The border between the mesosphere and...
The National Association for the Advancement of Colored People (NAACP) was founded in 1909 in New York City by a group of bi-racial activists. Originally called the National Negro Committee, it is the nation's oldest civil rights organization. One often-overlooked aspect of the NAACP's history is that the Jewish commun...

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