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Polynesian Caste system Tribal Polynesian civilization and society evolved into stiff castes in ancient Hawaii. Ancient Hawaiians were born into specific societal social classes and did not have got the ability to travel into another, except in the lawsuit of falling into castaway status. Each Hawaiian social class had...
A new analysis of crystals in pallasite meteorites suggests that they had a violent birth — but one quite different than scientists had imagined. Earth’s most beautiful meteorites may have formed in some of the solar system’s most violent collisions, according to a new study published in this week’s issue of Science.Th...
What is brain mapping? Different brain regions have specific functions. Before performing any surgery on the brain, including surgery for epilepsy, the surgeon wants to understand how the brain areas affected by the seizures and surrounding brain areas function. Plans for surgery aim to: remove as much of the seizure f...
Lesson 3 of 7 Objective: SWBAT use the established story problem process of visualizing, retelling, and modeling when solving addition story problems. SWBAT add two quantities up to 20 using the counting all or counting on strategy. Choose a start with and get to number from the 1-30 number cards (These were created in...
Hidden deep beneath the Atlantic Ocean, scientists discovered a gigantic freshwater aquifer. The reservoir contains about 2,800 cubic kilometers of water! This is about 739 trillion gallons, of freshwater, making it the world’s biggest undersea freshwater aquifer to have been discovered. The water runs deep, starting a...
The history of astronomy can be read as a story of better and better vision. Over the centuries, we have supplemented our vision with technology that allows us to see further and more clearly; while Ancient astronomers, who relied only on their naked eyes to perceive the universe, managed to make star catalogues and pr...
On August 17-18, a spacecraft is expected to pass about 729 miles from Earth over the eastern south Pacific, then swing around the planet and hurtle out into space. This is the Cassini Mission to Saturn, a joint project of NASA, the European Space Agency, and the Italian Space Agency. Costing around $3.4 billion, the v...
Any ionic compound in which the force of attraction between the oppositely charged ions is weaker than the force of attraction that water molecules exert on each ion, dissolves in water. Water is known as the universal solvent because it dissolves more compounds than any other chemical known. A general outline and list...
When students learn in the classroom, they are using their working memory which is essentially the short-term memory. Their short-term memory will be continually updating during class and then will be pushed aside when they go in to their next class. We get a similar reaction when walking in to a new room. Our working ...
Fluoride (said like floor-eyed) is a mineral that occurs naturally in soil, water, and air that has been shown to prevent cavities, or tooth decay. For the past several decades, fluoride has been added to community water supplies and oral care products such as toothpaste and mouth rinse. Fluoride works by strengthening...
How and Why Lakes Stratify and Turn Over: We explain the science behind the phenomena Have you ever been swimming and experienced a sudden drop in temperature in the water near your feet, while the surface water remains a comfortable temperature? What you are experiencing is thermal stratification—when lakes “divide” i...
Early Hebrew Writing The invention of the alphabet at the beginning of the second millennium BCE was a revolution that lead to the spread of literacy. Unlike Mesopotamian cuneiform, or Egyptian hieroglyphs, which required the knowledge of hundreds of signs, the alphabet was comprised of less than 30 symbols, thus great...
Using behavioral and stable isotope data to quantify rare dietary plasticity in a temperate bat Before and after photos of a cardón fruit that was visited by bats over the course of one evening. The captured pallid bat shown here was smeared with fruit pulp from its upper ear to its chest, indicating its entire head wa...
Influenza—commonly known as the flu—is a highly contagious respiratory virus, and it is never something to take lightly. Every year, millions of Americans get sick with the flu. There are three main types of influenza: A, B and C. Types A and B are most common. They are similar, but influenza B can pass only from human...
Most of today’s solar panels capture sunlight and convert it to electricity only from the side facing the sky. If the dark underside of a solar panel could also convert sunlight reflected off the ground, even more electricity might be generated. Double-sided solar cells are already enabling panels to sit vertically on ...
The formation of a large ozone hole is extremely rare over the Arctic regions during the late winter/early spring season. This year is beating records of unusual weather anomalies… And we get an unusually large area of ozone depletion. The Ozone layer is a protective zone at 20-30km altitude that protects us from dange...
Learning Styles and Preferences Most individuals have a preferred way of gathering, interpreting, organizing and thinking about information. Some learn best by active manipulation, others by reading, still others by talking about information. No single style of learning has been shown to be better than any other and no...
Copper is an essential plant nutrient, classified as a micronutrient. It has a role in various important processes in plants. For example: - Copper is a structural element in numerous proteins - Essential for the photosynthesis process – plastocyanin is a copper protein that acts as an electron carrier in the electron ...
The tropical rainforest biome is located near the equator. It is the most complex and diverse of all the biomes. Because they are found near the equator, tropical rainforests are very warm. It rains almost all year in tropical rainforests. Tropical rainforests are found in South America, Africa, and Southeast Asia and ...
Other Americans and the American Revolution Who identified as “American” during the Revolution? To what extent did the American Revolution serve the interests of all inhabitants of the emerging nation? Originally published by Newberry Digital Collections for the Classroom, 09.05.2017, Newberry Library, republished with...
During our nation’s early years, Thomas Jefferson was considerably very important to the history and growth of the United States. Born on April 13, 1743 in Shadwell, Virginia Jefferson was noted for his heavily involvement in the United States (U.S.) government. Jefferson served as a representative in the Virginia Hous...
Saturday is a special day: Leap Day! It comes around every 4 years and always gets a lot of attention. Have you ever wondered what would happen if we didn’t have leap years? It turns out, there would be some pretty significant changes. The world follows the Gregorian calendar which has 356 days. However, the world take...
Lesson Plan \| Sergio Gonzalez-Tornero: Abstract Animal Portraits – MMoCA Fish, 1973, aquatint with embossing Visual Art, Language Arts, Science Ann Mary Kohl-Re Students will encounter an authentic art object and make an analysis of how the artist’s choices help create meaning. Students will create a portrait of an ani...
What is HDR? In image processing, computer graphics and photography, high dynamic range (HDR) or high dynamic range imaging (HDRI) is a set of techniques that allows a greater dynamic range of exposures (the range of values between light and dark areas) than normal digital imaging techniques. The intention of HDR is to...
The natural greenhouse effect warms the planet to an optimum temperature for life on Earth. For millions of years, water vapour, carbon dioxide, methane and other greenhouse gases have occurred naturally, heating the atmosphere and making Earth liveable. However, human activities - mainly from the burning of fossil fue...
TEACHING SPEAKING A speaking lesson is a kind of bridge for learners between the classroom and the world outside. learning new language in the classroom using language to communicate in real life In order to build this bridge, speaking activities must have three features. They must give the learners practice opportunit...
How do I teach a new song to my students? Music is a great tool to use in the classroom for young learners developing language skills. But what is the best way to introduce new songs to children? Here are a few suggestions: Play Songs as Background Music First When you hear a song on the radio for the first time, you d...
The purpose of eVOL10 is to help rising tenth graders learn about engineering including Maker activity, provide an introduction to chemistry, provide information on engineering careers, and offer ACT preparation. The program help introduce students to STEM areas and Maker activities. Participants apply for the Engineer...
A recent BBC report says the distinct genetic characteristics of salmon populations in Spain are being lost as a result of climate change and human interference. According to the new agency, a team of UK and Spanish researchers say disrupting the species’ migratory behavior and strong homing instinct could have long-te...
15 Monumental Facts About Stonehenge The recent discovery of a “Superhenge” near Stonehenge has renewed interest in England’s favorite prehistoric monument. You know what Stonehenge looks like and have probably heard the speculation about its purpose, but how well do you know the UNESCO World Heritage Site? 1. ITS CONS...
How have African Americans shaped the culture of the United States throughout history? Tracing the accomplishments and obstacles of African Americans from the slave trade through emancipation, and to the modern African diaspora, you will learn about the political, economic, social, religious, and cultural factors that ...
Buttons: Where Did They Come From? by Marjorie Dorfman Who were the very first people to wear buttons and where did they get the idea in the first place? How did these clothes fasteners become objets dart? Learn all about it, even though you may not be the first on your block to do so. The earliest recorded use of butt...
Humanity's effects on the global environment have grown more and more significant since becoming the dominant species on Earth. According to Smithsonian Magazine, many scientists refer to the current geological time period as "The Anthropocene Era," meaning "the new period of man." Never before in our planet's history ...
Human brain cells made fewer genetic mistakes than Neanderthals’ - The brains of Neanderthals, a species that's thought to have lived alongside humans for thousands of years, were about as large as ours are. - Still, researchers aren’t sure how similarly their brains functioned to ours. - A recently published study rev...
Red blood cells, also known as erythrocytes, lack a nucleus and play a vital role in the circulatory system by transporting oxygen. Their unique adaptation of losing their nucleus allows them to maximize their surface area and squeeze through narrow blood vessels. The absence of a nucleus in an animal cell is a distinc...
latitude and longitude What are latitude and longitude? Latitude and longitude are parameters or coordinates that help determine the location of any place on Earth. Both latitude and longitude are angles that uniquely define points on the Earth's sphere. They constitute a coordinate system or scheme to locate or identi...
- Why did the federal government discriminate against a single ethnic group? - What debt, if any, do Canadians owe to those who were victims of injustice in the past? - Is exclusion ever fair? Why would one group exclude another? Dr. Joseph Wong talks about the Chinese Head Tax On this page you will have the opportunit...
A collection of numbers (called entries) contained within a pair of [ ] brackets is called a matrix. A matrix is labeled by a variable, which is usually a capitalized letter. In a sense, matrices are like sets of data, except that a matrix is made up of rows and columns of data as opposed to just one row of data. A mat...
WHAT IS ANEMIA? Anemia is a medical term for low red blood cell count or haemoglobin. WHY ARE RED BLOOD CELLS SO IMPORTANT? Red blood cells contain a protein called haemoglobin, which has the important function of delivering oxygen from the lungs to the rest of the body. For men the normal haemoglobin reference range i...
Saturn has always been one of the most distinctive planets in the solar system because of its amazing rings, making it – after Earth and Mars, of course – perhaps the most famous planet in the Milky Way, and certainly one of the easiest to remember in grade school science class. However, the rings that have made the pl...
The Wilmot Proviso was a proposal, never adopted, for Congress to forbid the expansion of slavery into the Southwest, especially New Mexico. It inflamed sectional tensions and helped cause the American Civil War. During the Mexican-American War President James K. Polk asked Congress for $2 million to negotiate peace; e...
NASA’s spacecraft Magnetospheric Multiscale mission -mms-, some time ago, measured the high-resolution of the Interplanetary Shock. It is a shock. And these shocks occur everywhere in the universe, they are made up of particles and electromagnetic waves, which are projected by the Sun.In order to learn about large univ...
Science Fair: Finding a Balance Much of nature is based on balance. When you walk, you maintain balance so you don't fall down. In the wild, animal populations are forced to stay in balance with the supply of food. If the food supply dwindles, the animal population does the same. Your parents spend time each month maki...
A recent study in neuroscience suggests that a gene mutation which arose over half a million years ago could be the key to the unique ability that humans have to both produce and understand speech. The study, published in Proceedings of the National Academy of Sciences was conducted by Christiane Schreiweis, a former v...
Character Education: Perseverance (Grade 6) What role does perseverance play in relationships and life success? How can developing perseverance equip people as world citizens who contribute to the common good? Photo Credit: Teen Volunteers by Princeton Public Library is licensed under CC by 2.0 In this unit, the learne...
Famine Relief in Ireland (1846 - 1850) In 1846, the Irish potato crop failed owing to blight for second year in a row, leaving large parts of the population, particularly in the west of Ireland, threatened with destitution. Irish Quakers numbered only three thousand out of a population of eight million, but their contr...
\| \|\| \| \| What Factors Determine Extinction Probability? \| Other factors being equal, species that have high population sizes are more likely to persist than those with low population sizes. Very small populations are likely to go extinct just by chance in a process called demographic stochasticity. As an extreme case, ...
Britannica Web Sites Articles from Britannica encyclopedias for elementary and high school students. - Industrial Revolution - Children's Encyclopedia (Ages 8-11) The Industrial Revolution was a period of major changes in the way products are made. It took place more than 200 years ago and greatly affected the way peop...
Desmond R. Layne Because a fruit tree is a sessile organism (it cannot move), it depends upon its owner to properly feed it. Nitrogen is an essential nutrient for the production of amino acids, proteins, nucleic acids, etc., and stone fruit trees require an adequate annual supply for proper growth and productivity. Nit...
Every year, starting in September, public health officials in the U.S. start prodding you to get this year’s flu shot. But even if you do get one, it is not a guarantee against getting sick. Why is the common illness so difficult to prevent, and what technologies might change this yearly struggle? Seasonal flu is cause...
First using Carbon Nano might make mathematical calculations made in the computer , researchers at Stanford University . Graphinera screen or equal to the thickness of the carbon atoms in the tube is taken out of the cylinder that is called Carbon Nano . Without a Powerful electron microscope at tiny tubes can not be s...
Consonance is a pleasing combination of sounds or two things that are in agreement, the sounds provide stability much like a harmony, chord or interval in music. In more general usage, a consonance is a combination of notes that sound pleasant to most people when played at the same time. In rhetoric, this stylistic dev...
Considering Abraham Lincoln and the Emancipation Proclamation In elementary school I learned that Abraham Lincoln freed the slaves. I held on to that belief for many years. It wasn’t until college that I was forced to confront what was, for me, an uncomfortable reality: preserving the union was Lincoln’s overarching ob...
Edited by Gerry.Dion, Blizzerand, Wdt3223, DifuWu and 7 others You are about to begin calculating a Power Factor Correction. This allows you to calculate apparent power, true power, reactive power and your phase angle. Consider the equation of a right triangle. So to calculate the angle you need to know your Cosine, Si...
Lesson 1 - The Structure of Japanese English and Japanese have very different structures. English has a sentence structure where the word order is very important. For instance compare the following two sentences: "I bought a hat" and "A hat bought I". You can clearly tell that by mixing up the order of the words, the m...
A new study shows that poor sleeping habits prevent vaccines from working properly, or even at all, by slowing down the immune system's ability to react to the vaccine. A joint effort between the University of Pittsburgh, University of California at Berkeley, and the Carnegie Mellon University produced a report publish...
Twelve Mile Square Reservation The Twelve Mile Square Reservation, also called the Twelve Mile Square Reserve, was a tract of land in Ohio ceded by Indians to the United States of America in the Treaty of Greenville in 1795. It was subsequently surveyed in a manner different from surrounding land, and lots sold, or gra...
Posted by Anjan on Friday, December 31, 2010 at 6:21pm. 1. Describe the landscape of the ocean floor. 2. (a) What is the Mid-Atlantic Ridge? (b) What is the relationship between an ocean ridge and an ocean trench? 3. What new technologies allowed scientists to confirm that the sea floors are spreading? 4. Hess hypothes...
Woods Hole Coastal and Marine Science Center USGS Sediment Studies in Lake Mead Sediment carried by the Colorado River originally was transported to the Gulf of California. Upon completion of the Hoover Dam however, much of the river's sediment was deposited in the quiet waters of Lake Mead. Geophysical data are being ...
Lesson Plan: For Teachers: Hurricane Hunters This learning experience is most suitable for students at the secondary level. The intent is to research topics connected to hurricanes, with particular reference to the Canadian experience. This research will focus more on the scientific and geographic nature of hurricanes ...
June 26, 2003 When you heat or cool a piece of metal to a specific temperature, that metal goes through what's called a phase change, in which its crystal structure changes. Sometimes the change is obvious. For example, when a piece of metal melts, it goes through a phase change when the crystal structure breaks down a...
October 8, 2010 Simulating possible chemical processes in the atmosphere of Titan, Saturn's largest moon, a UA-led planetary research team found amino acids and nucleotide bases in the mix — the most important ingredients of life on Earth. "Our team is the first to be able to do this in an atmosphere without liquid wat...
Sovereignty and Resistance This theme offers film excerpts on land claims, management of natural resources, ancestral rights and recovery of Aboriginal cultural artefacts. It also presents images showing the resistance of Aboriginal peoples to repression by non-Aboriginal culture. Download this activity (PDF) The educa...
Astonishing Science. Spectacular museum. A European Space Agency project has its sights set high – taking materials science into space. Experiments carried out on board space-bound rockets are helping scientists develop the materials of the future. These two new types of material are intermetallics – compounds of metal...
Just what was it that was so controversial about Strom Thurmond's past that led to the resignation of Trent Lott as Senate Majority Leader? What about the States' Rights ticket of 1948 still rankles so? The issue of "states' rights" has been part of the American political debate since the founding of the nation. It's r...
In designing security systems, it is wise to assume that the details of the cryptographic algorithm are already available to the attacker. This principle is known as Kerckhoffs' principle — "only secrecy of the key provides security", or, reformulated as Shannon's maxim, "the enemy knows the system". The history of cry...
Ages & Stages DEVELOPMENTAL MILESTONES for Receptive & Expressive language acquisition Copyright © 1998 Caroline Bowen Receptive Language (Learning to Listen, and to Understand Language) Language learning starts at birth. Even new babies are aware of the sounds in the environment. They listen to the speech of those clo...
Lesson Planning Grids, and Checklists! The day has come. You cannot put it off any longer. Sticking your head in the sand isn't going to make it go away. Common Core is here (has been for a while now!) and you cannot put it off any longer. It is time to get organized and begin to tailor your teaching and lesson plannin...
Therefore, we need to begin with the fundamental building blocks and work our way up from there. In particular, we need to learn about literal values, variables, function calls, and operators. You learned something about function calls in an earlier lesson. We will learn about operators in a subsequent lesson. This les...
Every second Monday in October, that being today, Canadians gather to give thanks. The History of the Canadian Thanksgiving has its own origins separate from the American Thanksgiving. The history of Thanksgiving in Canada goes back to an English explorer, Martin Frobisher, who had been trying to find a northern passag...
About Baroque Dance : During the reign of Louis XIV (1661-1715) France became the cultural center of Europe. Louis consolidated his power base at Versailles by putting on magificent entertainments. The king and nobility along with professional dancers took part in lavish spectacles called ballet de cour, given in theat...
Slavery in Context One potential pitfall of teaching Frederick Douglass’s Narrative lies in the fact that today’s students – exposed to many depictions of the horrors and brutality of US antebellum slavery on television, film, and in a host of historical novels – will not recognize just how revolutionary the book was w...
Monumental Architecture in Bronze Age Egypt and Crete The significance of monumental architecture lies not only in the function it is built to serve but also in the cultural values it represents. Monumental architecture is aesthetic as well as functional, and in its aesthetic aspects it is a form of cultural expression...
Basic Levitation and Magnetic Levitation Circuit Project Understanding Basic Levitation In basic levitation (Fig 1) an object appears to float due to the invisible forces of magnets. A magnet creates a field that forms two opposing poles: North and South (Fig 2). Opposite poles attract each other while similar poles re...
Aspect Ratio is a fundamentally simple concept with a deep and important history. Simply put, the aspect ratio is the ratio of the width of the image to the height. This can be expressed as two numbers like 4×3 or 16×9 or as a decimal such as 1.85 and 2.35 – though these can be written as a ratio as in 2.35:1. But how ...
Is Race Socially and Legally Constructed? Race is human classification. The proverbial term of race relates to skin color. There are three race classifications only: the Caucasoid, also known as the Caucasian race, characterized by light skin color ranging from white to dark-whitish; the Negroid, the Negro race, charac...
13% of K-12 students in the United States receive special education services, and of those students, 38% were enrolled in special education with a specific learning disability in 2010. Learning disabilities present themselves in varying types and severities, and can affect the way students listen, speak, read, write, s...
Materials List: student journal, construction paper, books focusing on good citizenship Using prior activities and background knowledge have students define the term community citizen in their student journals. Discuss the meaning of the term, making sure students have a good understanding of the concept. Discuss with ...
Rationale: In order to read, students must be able to understand the difference between sounds that short vowels and long vowels make. They must understand that these correspondences are spelled and pronounced differently. This lesson will be working with i_e=/I/ by reading and spellig words with letterboxes. 1. Introd...
Be an Earthquake Detective Everyone seems interested in current earthquakes. They are eager to know what the magnitude is, what damage has occurred, and the number of aftershocks. Everyone wants to know what the seismograph says. - What is a Seismograph? - A seismograph is an instrument that detects and records, as a f...
Crohn’s disease is an illness in which inflammation develops in parts of the gut leading to symptoms such as diarrhoea, abdominal pain and tiredness. The inflammation can be mild in many cases but can sometimes be severe requiring strong medication or an operation to remove an affected part of the intestine. Crohn’s di...
Teaching reading IS rocket science and unfortunately the difficulty of learning to read and teaching it has been underestimated, one reason why many children develop reading problems. For an in-depth review of what expert literacy teachers should know, click on the following link for valuable information: Teaching Read...
Misconceptions about Atomic Structure Although students often think that atoms are solid, they are mostly empty space. For example, if the nucleus of a hydrogen atom were three miles wide and located in Kansas, its electrons would orbit near the East and West Coasts. The use of models often leads to misconceptions. For...
The Supreme Court of the United States has but modest status in the U.S. Constitution. The court is mentioned only in Article III, Section 1 and Section 2 of our founding document, and then just in passing. The office of Chief Justice exists mainly because after the impeachment of a President, it is that officer who pr...
22 May 1926, Congress authorized the establishment of Shenandoah National Park. It became fully established on 26 December 1935 Size and Visitation The total acreage is 196,466.19, including 79,579 acres of the designated wilderness area. The highest visitation is during the fall color season and the summer months. Tra...
Images taken with a telephoto-lens camera on NASA's Mars rover Curiosity catch the larger of Mars' two moons, Phobos, passing directly in front of the sun -- the sharpest images of a solar eclipse ever taken at Mars. Phobos does not fully cover the sun, as seen from the surface of Mars, so the solar eclipse is what's c...
This section contains 30 daily lessons. Each one has a specific objective and offers at least three (often more) ways to teach that objective. Lessons include classroom discussions, group and partner activities, in-class handouts, individual writing assignments, at least one homework assignment, class participation exe...
Learn something new every day More Info... by email A red-tailed hawk is a carnivorous bird that belongs to a group called raptors, meaning birds of prey. Its scientific name is Buteo jamaicensis. Buteo is from the Latin word for broad, or rounded, and refers to the red-tailed hawk's wings. Jamaicensis refers to Jamaic...
From Ohio History Central The Democratic Party is one of the two major political parties in the United States of America today. In 1816, the Federalist Party collapsed, leaving only the Democratic-Republican Party in existence. By the early 1820s, the Democratic-Republican Party also began to change, as new opposition ...
are ground beetles ) in the tribes Brachinini , or Metriini —more than 500 species altogether—that are most notable for the defense mechanism that gives them their name: They can fire a mixture of chemicals from special glands in their abdomen. Bombardier beetles store two separate chemicals hydroquinone and hydrogen p...
Information identified as archived is provided for reference, research or recordkeeping purposes. It is not subject to the Government of Canada Web Standards and has not been altered or updated since it was archived. Please contact us to request a format other than those available. A graph is a visual representation of...
Delaware becomes the first state Dec. 7, 1787Back to top On this day in 1787, all 30 delegates to the Delaware Constitutional Convention ratified the newly written U.S. Constitution. That made Delaware the first state to join in the Union — taking the lead in a process that required nine of the original 13 former colon...
Easy science experiments Organizing for easy science experiments in your classroom can be difficult when you already have a busy schedule. It is tempting to only give students worksheets about science, science videos and books rather than including actual investigations. Having weekly teacher led experiments organized ...
1918: The war to end all wars The armistice to end World War I went into effect 95 years ago this week at the 11th hour of the 11th day of the 11th month of 1918. Germany and its enemies signed the document earlier that morning in a passenger railcar near Compiègne, France. So ended what President Wilson once called th...
This page contains information to support educators and families in teaching K-3 students about the setting of a story, book, or other piece of writing.The information is designed to complement the BrainPOP Jr. movie Setting. It explains the type of content covered in the movie, provides ideas for how teachers and pare...
Knapping is done in a variety of ways depending on the purpose of the final product. For stone tools and flintlock strikers chert is worked using a fabricator, such as a hammerstone, to remove lithic flakes from a nucleus or core of tool stone. Stone tools can then be further refined using wood, bone, and antler tools ...
The tomb held a man aged around 50, who was buried with jade collars, pyrite and obsidian artifacts and ceramic vessels. Archaeologist Emiliano Gallaga said the tomb dates to between 500 and 700 B.C. Based on the layers in which it was found and the tomb's unusual wooden construction, "we think this is one of the earli...
Pre-Contact Mi'kmaq Land Use Pre-contact Mi'kmaq were a hunting-gathering people who were well-adapted to the natural world. They knew how to hunt, fish, and harvest their own food, how to build their own shelters, make their own clothes, and manufacture a wide variety of tools, weapons, and other implements. Extensive...
Having been a scientific backwater for much of the 20th century, the Arctic has recently become the subject of furious interest and study. That’s partly because of the discovery that the region is sensitive indicator of climate change and partly because of its natural resources that various countries are vying to explo...
Necho (nēˈkō) [key], 609–593 B.C., king of ancient Egypt, 2d ruler of the XXVI dynasty, the son and successor of Psamtik and grandson of Necho, lord of Saïs. Necho took advantage of the confusion that followed the fall of Nineveh (612) to invade Palestine and Syria, both of which he took without difficulty. His real ob...

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