Columbia University

Swiss glacier finely tuned to climate changes

(PhysOrg.com) -- During the last ice age, the Rhone Glacier was the dominant glacier in the Alps, covering a significant part of Switzerland. Over the next 11,500 years or so, the glacier, which forms the ...

Jun 06, 2011
4.8 / 5 (6) 40 | with audio podcast

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 ...

May 27, 2011
4 / 5 (13) 11 | with audio podcast

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 ...

Apr 29, 2011
3 / 5 (2) 4 | with audio podcast

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 ...

Apr 07, 2011
3.1 / 5 (10) 8 | with audio podcast

Signals of past say big droughts can hit U.S. east

(PhysOrg.com) -- Scientists examining rings from old trees spanning the last 400 years say they show that the U.S. East Coast has suffered droughts longer and more frequent than anything recorded in modern ...

Mar 24, 2011
not rated yet 0 | with audio podcast

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 ...

Mar 22, 2011
5 / 5 (5) 7