Some Worms Bite

Nip along to Nature Live for your chance to learn something about these worms, their jaws and why fossils are so useful for discovering evidence of their past. Although it seems unlikely, some marine worms can give you a painful bite. These worms are active predators and, seen from their prey’s point of view, have terrifying jaws

Source: http://www.culture24.org.uk/se000566?id=EVENT451571