Life
Spoiling for a fight
Sometimes it's best not to know who you're up against
News
Humans
She knows what she wants
Just because a female's sexual behaviour is more subtle than a male's doesn't mean she's not playing the game. Tim Birkhead finds that promiscuity can work wonders for a girl
Features
Humans
Fired up
Features
Humans
They were big enough to go travelling
News
Earth
Unnatural selection
Features
Health
Cut the carbs
Features