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What Should We Be Worried About?
We worry because we are built to anticipate the future. Nothing can stop us from worrying, but science can...
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Greens to President Obama: Act Now on Climate
Green groups are amping up the pressure on President Barack Obama to make good on his promises to address...
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The Biggest Thing in the Universe Is Really, Really Big
A newly discovered galactic structure is so large that it means one of our basic assumptions about the nature...
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Pollution Highlights the Price China Is Paying for Rapid Development
Beijing has developed into an impressive modern city over the past two decades. But a tourist visiting the Chinese...
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Claims of Fairness in Apes Have Critics Crying Foul
Chimpanzees often share and share alike when cooperating in pairs, suggesting that these apes come close to a human...
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Mystery Cloud at Milky Way’s Center May Hold Clues to Star Birth
Near the crowded center of a mysteriously dense galactic cloud, where billowing clouds of gas and dust cloak a...
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Climate Change: Generational Evil
In 2012, the dangers of human-caused climate disturbance became undeniable, making this the fundamental moral issue of our time.
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The Iron in Our Blood That Keeps and Kills Us
In this search for the origin of one of the world's most common genetic diseases, emerging research in evolutionary...
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Astronomers Find Largest Structure in the Universe
An international team of astronomers has found the largest known structure in the universe – a group of quasars...
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Alien Moons Could Be as Habitable as Exoplanets
Astronomers say they’re hot on the trail of real-life alien moons — which could also potentially be viable candidates...