Dr. BORIS WORM (Assistant Professor, Marine Conservation Biology, Biology Department, Dalhousie University, Halifax, Canada): They have a huge head, a big mouth with which they can engulf their prey and then the rest of their body is a long tapering tail.

NPR: Down Deep, An Unexpected Fish Boom

The number of Scots under the age of 45 who are being diagnosed with mouth cancer has seen a big increase, dentists have warned.

BBC: Mouth cancer rising among young