Hands-On at the Nation's Largest Robot Skunk Works

05.08.2008 New bots will explore everything from Mars to your mouth—and perform surgery.

by Chris Dannen

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Battleground Galactica

05.07.2008 New tools and techniques reveal space oddities that eclipse everything we've seen.

by Stephen Ornes and Amber Fields

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The Species That Put the "Danger" in "Endangered"

05.05.2008 From poison frogs to river dolphins, these 5 species are hanging on by a thread.

by Emily Anthes

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Sliced: Inside a Tornado

05.05.2008 To find out how twisters work, researchers send probes right into the belly of the beast.

by Jocelyn Rice

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Each Grain of Sand a Tiny Work of Art

05.01.2008 Microscopic photos of sand show that it's a lot more than just little tan rocks.

by Lizzie Buchen

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Warning: Contains Pork By-Products

04.28.2008 Pigs really are dirty—but only because humans make them that way.

by J. Henry Fair

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Think Tech: The Future of Electronic Displays

04.22.2008 Organic light-emitting diodes (OLEDs) are thin, bright, and energy-thrifty.

by Stephen Cass

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DISCOVER's Original Sin: Carbon Emissions

04.21.2008 Each issue makes 2.1 pounds of carbon dioxide. Where does it come from?

by Don Foley

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Funky Life at an Underwater Hydrothermal Vent

04.15.2008 At Mothra Field, more than a mile underwater, temperatures reach 600 degrees.

The Best Science Photos of 2007

03.26.2008 Painted brain cells, X-ray solar explosions, and frozen naked butts.

by Robert Keating and Lizzie Buchen

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