Columbia University

In Hawaii, living with lava

When the most recent eruption of Hawaii's Kilauea volcano started last June, Melvin Sugimoto at first did not think much of it. Hawaii, where he has lived all his life, is made entirely of hardened lava, and Kilauea, perhaps ...

date23 hours ago in Earth Sciences
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Declining snowpacks may cut many nations' water

Gradual melting of winter snow helps feed water to farms, cities and ecosystems across much of the world, but this resource may soon be critically imperiled. In a new study, scientists have identified snow-dependent drainage ...

dateNov 12, 2015 in Environment
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New tool expands tracking of personal data on the Web

Navigating the Web gets easier by the day as corporate monitoring of our emails and browsing habits fine-tune the algorithms that serve us personalized ads and recommendations. But convenience comes at a cost. In the wrong ...

dateOct 09, 2015 in Internet
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