A study by Melbourne University researcher Prof John Hayman shows that some ancient marine animals, including ichthyosaurs, giant dolphin-like reptiles that first appeared about 245 million years ago, may have injured themselves during deep-sea diving trips. Life restoration of Ichthyosaurus communis (Nobu Tamura / Spinops.blogspot.com) Earlier this year Dr Bruce Rothschild of the University of Kansas announced the discovery of bone deformities on...
