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

Undersea clues to Haiti's earthquake history

(PhysOrg.com) -- For all of its violent destruction, the earthquake that struck Haiti on Jan. 12, 2010, hardly scratched the surface of the island. But scientists now say they have found some of the best clues to understanding ...

Jul 22, 2011
5 / 5 (1) 0 | with audio podcast

Some Antarctic ice is forming from bottom

Scientists working in the remotest part of Antarctica have discovered that liquid water locked deep under the continent's coat of ice regularly thaws and refreezes to the bottom, creating as much as half the ...

Mar 03, 2011
4.9 / 5 (7) 2 | with audio podcast

The Japanese disaster one year later

As the world remembers the horrors of the disaster on its one-year anniversary, experts at the Mailman School take stock of disaster response, nuclear fears and lessons learned

Mar 12, 2012
2.3 / 5 (3) 0

New Google ocean maps dive down deep

(PhysOrg.com) -- Starting today, armchair explorers will be able to view parts of the deep ocean floors in far greater detail than ever before, thanks to a new synthesis of seafloor topography released through ...

Jun 09, 2011
4.2 / 5 (5) 1 | with audio podcast

Polarization in New York state over fracking

On Sept. 18, The Earth Institute hosted Tanya Heikkila and Chris Weible of the University of Colorado Denver for a seminar on "The Political Landscape of Shale Gas Development and Hydraulic Fracturing in ...

Sep 29, 2014
2 / 5 (1) 0

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 ...

Oct 01, 2014
3 / 5 (1) 0

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

Rare earth metals: Will we have enough?

Life in the 21st century wouldn't be the same without rare earth metals. Cell phones, iPads, laptops, televisions, hybrid cars, wind turbines, solar cells and many more products depend on rare earth metals ...

Sep 20, 2012
4.1 / 5 (8) 13