BIG History – Page 64

What Triggers a Mass Extinction?
By the Editor on April 12, 2012
The second-largest mass extinction in Earth’s history coincided with a short but intense ice age during which enormous glaciers...
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Solving the Mystery of Stardust Recycling
By the Editor on April 12, 2012
When middleweight stars near the end of their cosmic lives, they shrug off their outer layers, shedding up to...
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Dinosaurs From Space! Or Not
By the Editor on April 12, 2012
From the Smithsonian’s Dinosaur Tracking blog: Somewhere, out in the interstellar void, there may be a planet inhabited by hyper-advanced dinosaurs....
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Cooperating Mini-Brains Show How Intelligence Evolved
By the Editor on April 11, 2012
Working together can hasten brain evolution, according to a new computer simulation. When programmed to navigate challenging cooperative tasks,...
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Energy Solutions From the Perspective of Big History
By William Grassie on April 10, 2012
Humans now consume some 18 trillion watts of energy in a variety of forms. Every aspect of our contemporary...
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For U.S. Science, A Crisis Looms
By the Editor on April 9, 2012
The United States is at risk of ceding its leadership in science, a number of physicists said, though there...
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Sun’s Sibling Stars Could Host Cousins of Earth Life
By the Editor on April 9, 2012
Some scientists are searching not just for any life out there in the universe, but for our distant relatives....
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At the End of the Earth, Seeking Clues to the Universe
By the Editor on April 9, 2012
The same conditions that make the Atacama, Earth’s driest desert, so inhospitable make it beguiling for astronomy. In northern...
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Melting Antarctic Permafrost Drove Ancient Global Warming
By the Editor on April 6, 2012
Fifty-five million years ago, the world abruptly warmed by a scorching 5 degrees Celsius, the oceans turned acidic, and...
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Closing in on the Black Hole at Center of Our Galaxy
By the Editor on April 5, 2012
Though scientists have suspected for a while that a giant black hole lurks at the center of our galaxy,...
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