Columbia University

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

Clock Is ticking in West Antarctic

Reports that a portion of the West Antarctic Ice Sheet has begun to irretrievably collapse, threatening a 4-foot rise in sea levels over the next couple of centuries, surged through the news media last week. ...

May 26, 2014
4.1 / 5 (14) 5

Dissolving the future of coral reefs

Swimming through the liquid turquoise waters off the island of Viti Levu, Fiji, I am surrounded by iridescent fish of all colors, schooling around healthy branching corals. With a slight movement of my fins ...

Apr 10, 2014
5 / 5 (2) 0

Climate change as a matter of public health

For a long time people perceived climate change as an environmental issue–the concern of environmentalists, the concern of a few. It was reframed as a justice issue at the turn of the 21st century, when ...

Apr 08, 2014
3.2 / 5 (5) 2

The Isthmus of Panama: Out of the Deep Earth

As dates in geologic history go, the formation of the slender land bridge that joins South America and North America is a red-letter one. More than once over the past 100 million years, the two great landmasses ...

Apr 01, 2014
4.6 / 5 (5) 0