Syndicate content

Evolution

Rudolph and relatives have UV vision

The reindeer of the high north can see light that is invisible to our eyes. This is a big advantage in a snow white landscape.

All eyes on sea urchins

It doesn’t have normal eyes – it sees with its entire body. Special light-sensitive cells turn this spiny ball of a creature into an optical organ.

Whale keeps its beak shut to avoid being eaten

Beaked whales only 'talk' to each other deep below the surface of the ocean. A new study shows that when close to the surface they keep quiet to avoid falling prey to predators.