Ian Joughin

May. 16, 2014

Antarctic Ice Sheet Slipping Into the Sea

Scientists confirmed a West Antarctic ice sheet the size of the Dakotas is melting.

west antarctica, antarctica, ice sheet, glaciers, ian joughin, sea levels, climate change, global warming, amundsen sea

Feb. 07, 2014

Greenland’s Fast-Moving Glacier Speeds Up

The Jakobshavn glacier reached speeds of more than 150 feet per day during the summer of 2012.

Jakobshavn glacier, greenland, ocean, sea level rice, fast glacier

Apr. 18, 2008

Water Power Cracks Ice Sheet

Researchers working on the Greenland Ice Sheet describe a flow of water exceeding that of Niagara Falls.

ice, arctic, glacier, greenland

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How Humpbacks Hunt With Bubbles

Humpback whales blow bubbles around schools of fish to concentrate them for easier capture. It's called a bubble net, says David Wiley, research coordinator for Stellwagen Bank National Marine Sanctuary, and it's visible as a ring of bubbles at the surface. Now, with underwater digital tracking tags and custom visualization software, whale researchers can see what the whales are doing underwater when they're bubble-netting.

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