Archive: 07/2/2009

Clownfish provide clues to animal conflicts

(PhysOrg.com) -- Animal societies are hotbeds of conflict and cooperation, with creatures helping each other one moment and fighting the next. Biologist Andrew Zink has developed a new theoretical framework ...

Jul 02, 2009
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Free Spirit: Rock Under the Belly

Engineers placed a rock underneath the test rover at NASA's Jet Propulsion Laboratory, Pasadena, Calif., on July 1, 2009, to more closely simulate Spirit's predicament on Mars.

Jul 02, 2009
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