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A molecular compass for bird navigation

Each year, the Arctic Tern travels over 40,000 miles, migrating nearly from pole to pole and back again. Other birds make similar (though shorter) journeys in search of warmer climes. How do these birds manage to traverse ...

dateFeb 27, 2015 in Plants & Animals
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What is Mars made of?

For thousands of years, human beings have stared up at the sky and wondered about the Red Planet. Easily seen from Earth with the naked eye, ancient astronomers have charted its course across the heavens with regularity. ...

dateFeb 26, 2015 in Space Exploration
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Interesting facts about the planets

While the universe is a big place to study, we shouldn't forget our own backyard. With eight planets and a wealth of smaller worlds to look at, there's more than enough to learn for a few lifetimes!

dateFeb 17, 2015 in Space Exploration
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Embryos of stars

Stars like the Sun begin their lives as cold, dense cores of dust and gas that gradually collapse under the influence of gravity until nuclear fusion is ignited. Exactly how the critical collapse process occurs in these embryos, ...

dateFeb 16, 2015 in Astronomy
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