The captive animals may not be as effective at increasing the genetic diversity of wild populations, if results on mice translate to other species.
Hummingbird beaks aren't just for nectar sipping. They can double as weapons in the mating game.
Reptiles that have sex early and frequently in life and feast on meat tend to live fast, die young.
A Siberian man who was part human and part Neanderthal is shedding light on when Africans first successfully settled in Europe and Asia...and mated with Neanderthals who were already living there. Continue reading â†’
Body odor may hint at a person's politics, according to a new study that finds people prefer the odors of those whose ideology matches their own.
Males with harems have no shortage of fawning females, but maintaining such an arrangement can be exhausting.
New research shows that while tall men get married younger, short men stay married longer. Continue reading â†’
The mate choice is likely the result of males 'imprinting' on their fathers, researchers say.
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