Fins and limbs tell evolutionary tale

About 400 million years ago, our early ancestors took their first hesitant steps out of the primordial seas on to land.

Resting postures determined by animals' size

Cows always rest on their chests so that their digestion is not impaired. Rodents sometimes rest sitting down, while kangaroos sometimes lie on their backs. The larger the animal, the less often it lies down, and when it ...

Not letting the neighbours ruin the mood

New research into the reproductive behaviour of one of New Zealand's most mysterious and unusual insects – the cave weta – shows that the male weta's distinctively-elongated hind legs play a vital role in ensuring mating ...

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