Today's Top News
Amazing Aztecs Were Math Whizzes Too
The Aztecs used pictures as alternatives to fractions to calculate areas.
Top Features
Migrating Moths Are Good Navigators Read More
Strange New Fish May See Like Humans Read More
DIY Nightmare: Why Stripping Wallpaper Is a Mess Read More
Study: Humans Drove Final Nail into Mammoth Coffin Read More
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Northrop Grumman’s Universe
Living with Penguins
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Squid Beaks May Lead to Artificial Human Limbs Giant squid beaks may lead to improved artificial limbs for people.
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Trivia & Quizzes
Quiz: The State of the United States The U.S. Census Bureau keeps track of the questions it is asked most often. Find out how much you know by taking our quiz on some of the agency's most frequently asked questions.--Heather Whipps
Body Quiz: The Parts List You may know that the typical human body contains about 200 bones, two gallons of blood, and some 100 billion brain cells. But what the heck is a zygomatic, exactly? In the first of three quizzes, we test your knowledge of a few of the body�s more obscure bits and pieces.--Heather Whipps
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