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2011 How Do We Know

How Do We Know: Tracking Tornadoes

Published: April 18th, 2011

How do we know when a tornado is forming? Scientist Harold Brooks explains how Doppler radars are used to track storm formation.

How Do We Know: Shrinking Arctic Sea Ice

Published: January 10th, 2011

Learn how NASA scientists are tracking the melting Arctic sea ice and what less ice means for global warming in the future.

How Do We Know: Hurricane Hunting

Published: January 10th, 2011

National Hurricane Center scientist Jack Beven explains the technology used to forecast and track potential hurricanes as they happen.

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2011
2010

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News, Blogs & Features

May 24th, 2012 - It’s Beach Season; Enjoy it While You Can
May 23rd, 2012 - A River Runs Through It: Scientists Explain Arctic Mercury
May 23rd, 2012 - Western U.S. Faces ‘Extreme’ Wildfire Risk Now and Later
May 23rd, 2012 - The Issue of Population is More Than a Little Radioactive
May 23rd, 2012 - Image of the Day: The Elephant in the Living Room

Gallery

A Hurricane Season With Supersized and Shrunken Storms

The contrast between gigantic Hurricane Igor and tiny Hurricane Paula.

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