BIG Questions – Page 53

“Lethally Hot” Earth Was Devoid of Life—Could It Happen Again?
By the Editor on October 19, 2012
Extinctions during the early Triassic period left Earth a virtual wasteland, largely because life literally couldn’t take the heat,...
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Prehistoric Human Populations Prospered Before Agricultural Boom
By the Editor on October 19, 2012
Researchers from China’s Fudan University have found major prehistoric human population expansions may have begun before the Neolithic period,...
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Genes and Immune System Shaped By Childhood Poverty, Stress
By the Editor on October 19, 2012
A University of British Columbia and Centre for Molecular Medicine and Therapeutics study has revealed that childhood poverty, stress...
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In World First, Twitter Blocks Neo-Nazi Account in Germany
By the Editor on October 18, 2012
Using its country-specific content-blocking tool for the first time, Twitter has shut down access to a neo-Nazi group’s account...
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Future Jobs Depend on a Science-Based Economy
By the Editor on October 18, 2012
The 2012 presidential election will be won by the candidate who can convince voters that he has the vision...
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New Evidence Supports Impact Theory of Moon’s Creation
By the Editor on October 18, 2012
It’s long been theorized that the moon was created when a Mars-sized proto-planet slammed into the Earth. Unfortunately, though,...
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New Type of Cosmic Ray Discovered
By the Editor on October 18, 2012
Using the European X-ray astronomy satellite XMM-Newton, researchers have discovered a new source of cosmic rays. In the vicinity...
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Dolphins Can Sleep One-Half of Their Brain at a Time
By the Editor on October 18, 2012
Scientists from the United States have learned that dolphins are able to stay alert and active for 15 days...
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No, Global Warming Hasn’t ‘Stopped’
By the Editor on October 17, 2012
A recent article, in the London tabloid Daily Mail, reports: “The world stopped getting warmer almost 16 years ago,...
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The Brain Drain Within Africa
By the Editor on October 17, 2012
The following is from a guest post to the Chronicle’s WorldWise blog, written by John D. Holm, the former...
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