08/07/2010

Rosetta lines up for spectacular asteroid flyby

(PhysOrg.com) -- On 10 July, ESA's Rosetta will fly past 21 Lutetia, the largest asteroid ever visited by a satellite. After weeks of manoeuvres and a challenging optical navigation campaign, Rosetta is perfectly lined up ...

Explained: Phonons

For the engineers who design cell phones, solar panels and computer chips, it’s increasingly important to be able to control the way heat moves through the crystalline materials — such as silicon — that these devices ...

New kids on the block

The negotiating styles of the world’s biggest rising powers - China, India and Brazil - could offer important clues about any future challenge they may pose to international stability, a new study suggests.

Gene knockout makes female mice masculine

The mammalian fucose mutarotase enzyme is known to be involved in incorporating the sugar fucose into protein. Female mice that lack the fucose mutarotase (FucM) gene refuse to let males mount them, and will attempt copulation ...

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