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1:07pm, July 29, 2011
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ATOM & COSMOS
NASA’s Dawn spacecraft enters orbit around the asteroid Vesta. Read “Dawn on Vesta.”

MOLECULES
Tasting fat gives rats the munchies. See “Fat stimulates binge eating.”

BODY & BRAIN
Armor-clad knights use about twice as much energy to move as non-armored fighters. Read this tale and others in “News in Brief: Body & Brain.”

GENES & CELLS
Researchers debate genes’ role in autism disorders. See “Environment blamed for autism.”

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