High social rank comes at a price, researchers find

Being at the very top of a social hierarchy may be more costly than previously thought, according to a new study of wild baboons led by a Princeton University ecologist.

Researchers develop quick way to detect rotavirus

(PhysOrg.com) -- It may not have the instant recognition of AIDS or malaria, but rotavirus -- a common cause of diarrhea -- kills more than a half million people a year, most of them children in developing countries.

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