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Prehistoric Human Populations Prospered Before Agricultural Boom
Researchers from China’s Fudan University have found major prehistoric human population expansions may have begun before the Neolithic period,...
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The Brain Drain Within Africa
The following is from a guest post to the Chronicle’s WorldWise blog, written by John D. Holm, the former...
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Watch Out Urbanites, Here Come the Carnivores
Raccoons, skunks, possums and certain other animals have long been city dwellers, but now larger wild carnivores are moving...
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Ancient Empires Produced Significant Greenhouse Gasses
An analysis of Greenland ice core samples indicates significant global methane emissions per capita during the Roman Empire and...
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World Hunger: The Problem Left Behind
The drought-induced run-up in corn prices is a reminder that we’re nowhere near solving the problem of feeding the...
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Tigers Take the Night Shift to Coexist With People
Tigers aren’t known for being accommodating, but a new study in the Proceedings of the National Academy of Sciences...
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Underwater Noise Decreases Whale Communications in Stellwagen Banks
According to a NOAA-led paper published in the journal Conservation Biology, high levels of background noise, mainly due to...
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The Gates Foundation Issues Toilet Challenge
The Bill & Melinda Gates Foundation is hosting a competition to reinvent the toilet for the 2.5 billion people...