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World War I: 100 years later
We recently passed the 100th anniversary of World War I. Take a look back at the fascinating and terrible facts and events of The Great War.
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming...
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String theory has so far been unable to make any testable predictions. Should it be considered science or philosophy?
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The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States,...
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The fearsome T-Rex is near the top of any list of the most formidable predators to ever walk the earth. But fossil evidence suggests it may have been a...
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Impeachment is a formal process in which an official is accused of unlawful activity, the outcome of which, depending on...
Energy development is the effort to provide sufficient primary energy sources and secondary energy forms for supply, cost, impact on...
Albert Einstein was a German-born theoretical physicist who developed the theory of general relativity, effecting a revolution in physics....
A black hole is a region of spacetime from which nothing, not even light, can escape. The theory of general...
Mars is the fourth planet from the Sun in the Solar System. The planet is named after the Roman god...
Evolutionary psychology is an approach in the social and natural sciences that examines psychological traits such as memory, perception,...