LifeGentle sex? Females just as feisty as males over reproduction Males compete for sex, females choose – ever since Darwin, we've assumed that's how nature works. Time for a rethink? Features
EarthSpirals in Time: Uncover the secrets in seashells From exotic sea butterflies to deadly cone shells, Helen Scales's new book shows that molluscs are one of the most diverse and numerous creatures on the planet CultureLab