Columbia University

The dinosaurs' demise up close

Tourists flock to Italy to see Michelangelo's David and other iconic hunks of Renaissance stone, but in a trip over spring break, a group of Columbia students got to visit rocks that have shaped the world in even more profound ...

dateFeb 07, 2014 in Earth Sciences
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Sculpting tropical peaks

Tropical mountain ranges erode quickly, as heavy year-round rains feed raging rivers and trigger huge, fast-moving landslides. Rapid erosion produces rugged terrain, with steep rivers running through deep valleys. However, ...

dateOct 01, 2014 in Earth Sciences
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Professor probes mental disorders in the ancient world

The examination of mental disorders would seem to be the almost exclusive domain of psychiatrists and psychologists, not humanities scholars. Yet William V. Harris, the William R. Shepherd Professor of History, has spent ...

dateDec 18, 2013 in Other
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What geology has to say about global warming

Last month I gave a public lecture entitled, "When Maine was California," to an audience in a small town in Maine. It drew parallels between California, today, and Maine, 400 million years ago, when similar geologic processes ...

dateJul 14, 2014 in Earth Sciences
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