SoT 146: It Hides My Face

Evolutionary biologist and author of Sex, Genes & Rock 'n' Roll Professor Rob Brooks joins us to talk beards, monogamy and evolution.

Beards seem to be popular now, but we may be approaching 'peak beard', where beards are so common they lose their novelty appeal.

Do babies cry at night to stop their parents having more babies? Evolutionary biologist David Haig thinks they may be unintentionally sabotaging their parents' sex lives.

A ten year, worldwide project has finally sequenced the Tsetse fly genome. The findings from this massive effort could help in the fight against sleeping sickness, which kills nearly 10,000 people a year.

Some dolphins use sea spongers as tools to help forage for food, and it appears to be affecting their diet.

The US Food and Drug Administration has approved a new test for human papillomavirus, but while it could one day replace a pap smear, it still requires a cervical sample.