Archive: 02/14/2011

The two faces of Tempel 1

(PhysOrg.com) -- Just one year before its Feb. 14 encounter with comet Tempel 1, NASA's Stardust spacecraft performed the largest rocket burn of its extended life. With the spacecraft on the opposite side ...

Feb 14, 2011
4 / 5 (1) 0

World phosphorous use crosses critical threshold

(PhysOrg.com) -- Recalculating the global use of phosphorous, a fertilizer linchpin of modern agriculture, a team of researchers warns that the world's stocks may soon be in short supply and that overuse in the industrialized ...

Feb 14, 2011
4.4 / 5 (24) 38 | with audio podcast

Strange ways of wooing

Birds do it, fish do it, even sexually ambiguous flatworms do it: all these creatures use complex strategies to win at the mating game.

Feb 14, 2011
5 / 5 (1) 0 | with audio podcast