Plesiosaurs doubled their neck-length by gaining new vertebrae
Their lengthy necks, used for chasing fast-moving fishes, developed quickly over a five million period around 250 million years ago.

Their lengthy necks, used for chasing fast-moving fishes, developed quickly over a five million period around 250 million years ago.

Professor Katharine Cashman, AXA Research Chair, Volcanology Research Group in the School of Earth Sciences has been inducted into the American Academy of Arts and Sciences.