Science

Science

What can killer whales teach us about menopause?

Menopause is a puzzle for biologists. Why would the female of a species cease to reproduce half way through her life, when natural selection favors characteristics that help an individual's genes survive? A study of killer whales — one of only two mammals apart from humans to undergo menopause — is providing clues.

Science

What can killer whales teach us about menopause?

Menopause is a puzzle for biologists. Why would the female of a species cease to reproduce half way through her life, when natural selection favors characteristics that help an individual's genes survive? A study of killer whales — one of only two mammals apart from humans to undergo menopause — is providing clues.