Related topics: hiv

Playboy males live fast, die young

(PhysOrg.com) -- Promiscuous males are so intent on pursuing sexual partners that they can neglect even essential tasks such as eating, says a new study published in the Journal of Evolutionary Biology.

Faithful females key to evolution of bird societies

(PhysOrg.com) -- Females with fewer sexual partners can explain where bird species have evolved to cooperate in the rearing of their young, according to Oxford University research.

Single women gaze longer

A study by neuroscientist Heather Rupp and her team found that a woman's partner status influenced her interest in the opposite sex.

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