Columbia University

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

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

Crow or raven? New birdsnap app can help

Researchers at Columbia Engineering, led by Computer Science Professor Peter Belhumeur, have taken bird-watching to a new level. Using computer vision and machine learning techniques, they have developed ...

May 28, 2014
4.8 / 5 (6) 0

Planning in the near term for climate change

When scientists talk about climate change, they usually mean significant changes in the measures of climate over several decades or longer. Climate variability generally refers to seasonal changes over a ...

Jun 27, 2013
2.5 / 5 (11) 0 | with audio podcast