whales

Health

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.

Environment

How do you save the whales? Slow down the ships

California's blue whale population is making a comeback, but it still has to contend with the threat of big container ships that cross whales' feeding grounds on the way to the ports of Los Angeles. But just by slowing down, ships can dramatically reduce whale strikes — and pollution as well.

Environment

How do you save the whales? Slow down the ships

California's blue whale population is making a comeback, but it still has to contend with the threat of big container ships that cross whales' feeding grounds on the way to the ports of Los Angeles. But just by slowing down, ships can dramatically reduce whale strikes — and pollution as well.

Health

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.