Columbia University

Oldest-known stone tools pre-date Homo

Scientists working in the desert badlands of northwestern Kenya have found stone tools dating back 3.3 million years, long before the advent of modern humans, and by far the oldest such artifacts yet discovered. ...

dateMay 20, 2015 in Archaeology & Fossils
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Unforeseen dangers in a global food system

New York City Mayor Bill de Blasio's claim during a recent blizzard that food delivery bikes were not emergency vehicles caused a small disruption in the City's normally fast, abundant and inexpensive access ...

dateMay 01, 2015 in Environment
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Science nabs illegal ivory sellers

A Toronto-based company has been convicted of selling illegal ivory in the first case to use a technique for dating ivory developed by a scientist at the Lamont-Doherty Earth Observatory in collaboration ...

dateMar 09, 2015 in Analytical Chemistry
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Did climate change help spark the Syrian war?

A new study says a record drought that ravaged Syria in 2006-2010 was likely stoked by ongoing manmade climate change, and that the drought may have helped propel the 2011 Syrian uprising. Researchers say ...

dateMar 02, 2015 in Environment
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Seafloor volcano pulses may alter climate

Vast ranges of volcanoes hidden under the oceans are presumed by scientists to be the gentle giants of the planet, oozing lava at slow, steady rates along mid-ocean ridges. But a new study shows that they ...

dateFeb 05, 2015 in Earth Sciences
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A Texas-sized block of ice

The first dedicated Antarctic Icepod mission was flown out across the center of the Ross Ice Shelf. Ice shelves are thick floating extensions of the ice sheet that form as the ice flows off the continent ...

dateDec 05, 2014 in Earth Sciences
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