Researchers conclude that what causes menopause is—wait for it—men
After decades of laboring under other theories that never seemed to add up, a team led by biologist Rama Singh has concluded that what causes menopause in women is men.
Study finds monkey mothers are key to sons' reproductive success
If you are a male human, nothing puts a damper on romantic success like having your mother in tow. If you are a male northern muriqui monkey, however, mom's presence may be your best bet to find and successfully ...
Killer whales may have menopause so grandma can look after the kids
Killer whales are just one of three species – we're one of the others - that continue to live long after they've stopped reproducing. But scientists still don't know why these three alone evolved this unusual ...
Menopause evolved to prevent competition between mother and daughter-in-law, researchers say
The menopause evolved, in part, to prevent competition between a mother and her new daughter-in-law, according to research published today in the journal Ecology Letters.
Turbulent nature of menopause triggered by gene battles
The hormonal mayhem, reduced fertility and hot flushes experienced by a woman in the run up to menopause may owe to warfare between her own genes, according to a team of scientists working in the United Kingdom ...
Hot flashes? Thank evolution
A study of mortality and fertility patterns among seven species of wild apes and monkeys and their relatives, compared with similar data from hunter-gatherer humans, shows that menopause sets humans apart from other primates.
Menopausal whales are influential and informative leaders
Menopause is a downright bizarre trait among animals. It's also rare. Outside of the human species, only the female members of two whale species outlive their reproductive lives in such a major way. Female ...