Columbia University

The escalation of natural disasters

I'm in Atlantic Canada giving a series of talks about Hurricane Sandy and what it did to New York (based on my book, Storm Surge). I've been talking about what happened in New York, hearing from people here about what has ...

dateSep 02, 2015 in Earth Sciences
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Video: Handheld diagnostics

Sam Sia, associate professor of Biomedical Engineering, and his team developed a smartphone dongle to bring diagnostic testing to remote areas where health care access is limited and funds are low.

dateSep 02, 2015 in Analytical Chemistry
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Warming climate is deepening California drought

A new study says that global warming has measurably worsened the ongoing California drought. While scientists largely agree that natural weather variations have caused a lack of rain, an emerging consensus says that rising ...

dateAug 20, 2015 in Environment
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The downs and ups of mountain building

In the D'Entrecasteaux Islands off Papua New Guinea, the rocks are giving rise to new ideas about the ways in which mountain chains form. A new scientific model inspired by data from the islands shows how the seemingly opposite ...

dateAug 20, 2015 in Earth Sciences
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Mapping land claimed by sea level rise

The New Jersey shoreline that sea birds wandered during the last ice age is about 90 miles east of today's beaches, tens of meters beneath the sea floor. As the ice melted, sea level gradually rose and flooded the coastal ...

dateAug 20, 2015 in Earth Sciences
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