skeleton Animals Biology Oceanography Science & Art 

Preserving a Soft Skeleton: Backs without Bones

By Sebastien Enault What are shark skeletons made of? The skeleton of modern sharks, rays, and skates consists of cartilage, a connective tissue that is lighter and more flexible than bone. Most people closely associate the skeleton with bone, and are familiar with the skeletal structure of many ancient and modern vertebrates, which are beautifully described in a vast number of anatomical works and frequently displayed in most natural history museums. However, while sharks and rays are very popular in aquariums around the world, few people actually know what their…

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Berlin Mounted Dinosaur Skeleton: The huge mounted Giraffatitan in the main hall in Berlin, dwarfing the Diplodocus that stands behind it. (Photo by Steven Spence) Paleontology 

Mounting a Monument to a Mesozoic Monster

By David Hone Dr. Dave Hone is a lecturer at Queen Mary, University of London, specialising in dinosaurs and pterosaurs. In addition to writing for The Guardian, he blogs at Archosaur Musings, is a contributor to Pterosaur.net, created Ask A Biologist, and has published more than 50 academic papers on dinosaur biology. His latest book, The Tyrannosaur Chronicles, is now available for pre-order from Bloomsbury Publishing. Few visitors to the Museum for Nature in Berlin can fail to be impressed by the truly colossal dinosaur that takes centre stage in…

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