Ross Stein

Mar. 11, 2011

Massive Quake Prompts Tsunami Warnings

Ross Stein, a geophysicist with the USGS, explains the connections between quakes and tsunamis.

earthquake, tidal wave, tsunami, catastrophe

Mar. 05, 2010

A Quake That Shook the World?

Last week's powerful earthquake in Chile may have shifted the Earth's axis and changed the length of a day.

quake, earthquake, roation, axis, chile

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Michael Pollan Talks Plants and Food

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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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