Biology news

Why do snakes flick their tongues?

Many people think a snake's forked tongue is creepy. Every so often, the snake waves it around rapidly, then retracts it. Theories explaining the forked tongues of snakes have been around for thousands of ...

Jul 31, 2014 4.8 / 5 (8) 0

How the snake got its venom

The venom of advanced snakes is a mixture of dozens of different proteins and is an example of an evolutionary innovation – a novel trait that has arisen in a particular animal group and which has contributed ...

Aug 11, 2014 5 / 5 (7) 0