Researchers find first proof of menopause in wild chimpanzees

A team of researchers studying the Ngogo community of wild chimpanzees in western Uganda's Kibale National Park for two decades has published a report in Science showing that females in this population can experience menopause ...

Why are male mice afraid of bananas?

Researchers from McGill University have identified a form of chemical signaling in mice to defend their offspring. The researchers found that proximity to pregnant and lactating female mice increased stress hormones in males ...

For lemurs, sex role reversal may get its start in the womb

Anyone who says females are the 'gentle sex' has never met a lemur. Lady lemurs get first dibs on food, steal their mates' favorite sleeping spots and even attack males, swatting or biting those that annoy them.

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