Columbia University

The Dead Sea—depletion of a shared natural resource

Travel to Jordan raised a lot of expectations, including that I would find a land somewhat familiar to my birthplace, Ashgabat, Turkmenistan—perhaps because of the Muslim majority of both places and the hot weather that ...

dateJun 24, 2016 in Ecology
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Seeking humanity's roots

Who were our earliest ancestors? How and when did they evolve into modern humans? And how do we define "human," anyway? Was it when some long-ago ancestor stood and walked; grew a brain of a certain size; or figured out how ...

dateJun 09, 2016 in Archaeology & Fossils
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Walking in the shadow of a great volcano

On a ledge just inside the lip of Chile's Quizapu volcanic crater, Philipp Ruprecht was furiously digging a trench. Here at an elevation of 10,000 feet, a 1,000-foot plunge loomed just yards away, and wind was whipping ...

dateMay 18, 2016 in Earth Sciences
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Scientists map a new island volcano

One of the earth's newest islands exploded into view from the bottom of the southwest Pacific Ocean in January 2015, and scientists sailing around the volcano this spring have created a detailed map of its topography.

dateMay 05, 2016 in Earth Sciences
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Learning from El Niño as La Niña Odds Rise

Although El Niño is weakening, its ramifications continue to be felt around the world. Drought and resulting food insecurity is one of the major implications for southeast Asia, eastern and southern Africa, Central America ...

dateMay 02, 2016 in Environment
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