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Ancient Humans Left Africa to Escape Drying Climate（图）
Ancient Humans Left Africa Escape Drying Climate
2017/10/25
Humans migrated out of Africa as the climate shifted from wet to very dry about 60,000 years ago, according to research led by a University of Arizona geoscientist.Genetic research indicates people mi...
Humans,not climate change,wiped out Australian megafauna
Humans not climate change wiped out Australian megafauna
2017/2/16
New evidence involving the ancient poop of some of the huge and astonishing creatures that once roamed Australia indicates the primary cause of their extinction around 45,000 years ago was likely a re...
The Impact of Humans on Strata Formation Along Mediterranean Margins
Mediterranean Margins Strata Formation
2015/7/29
The Mediterranean and Black Seas are micro-tidal and less than 3 x 106 km2 and 500 km2 in area, respectively. The latter is connected to the Mediterranean Sea by the narrow Bosphorus-Dardanelles Strai...
RIPPLE MARKS——THE STORY BEHIND THE STORY Collision Course: Climate Change, Bears, and Humans in the Land of 10,000 Lakes • Russian Roulette: To Catch a Fish-Owl • Polar Bears' Habitat—and Polar Bears—Shrinking • Rain-on-Snow: New Arctic Killer Fingered
Climate change wind water drought
2015/7/6
Dust, winds, and waters. Bears and humans. All swirl together on this late summer afternoon in 2008 in Bear Head Lake State Park, Minnesota. A dry spell has turned dirt roads into arid trackways. Hint...