Columbia University

Tree rings open door on 1100 years of El Nino

(PhysOrg.com) -- El Nino and La Nina, the periodic shifts in Pacific Ocean temperatures, affect weather around the globe, and many scientists have speculated that a warming planet will make those fluctuations ...

dateMay 27, 2011 in Earth Sciences
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Can big earthquakes disrupt world weather?

(PhysOrg.com) -- The eruption of the Laki volcano in Iceland in 1783-84 set off a cascade of catastrophe, spewing sulfuric clouds into Europe and eventually around the world. Poisonous mists and a resulting ...

dateApr 29, 2011 in Earth Sciences
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Maybe Ben Franklin was wrong

(PhysOrg.com) -- The eruption of the Laki volcano in Iceland in 1783-84 set off a cascade of catastrophe, spewing sulfuric clouds into Europe and eventually around the world. Poisonous mists and a resulting ...

dateApr 07, 2011 in Earth Sciences
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Sociologist examines a new American elite

Shamus Rahman Khan, an assistant sociology professor, is interested in elites. As a graduate of St. Paul’s School, one of the most prestigious boarding schools in the nation, he thought that by going ...

dateMar 22, 2011 in Social Sciences
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