The short answer is that ears have a lot of blood vessels near the skin, which is pretty thin in that spot. Having blood vessels close to the skin helps animals – including you and me – to keep their ...

Nature is full of extraordinary survival techniques, but few are as fascinating as the ability to change colour instantly. Several animals across oceans, forests and deserts can alter their appearance ...

A new paper from the University of Melbourne reveals how animals use beautiful but unreliable iridescent colours as communication signals. Special adaptations enable animals to control how these ...