MOST of what we know about dinosaurs has been pieced together from fossilised bones and teeth. But the unearthing of a mummified dinosaur in the US, with preserved skin and apparent soft tissue, has the potential to unlock biological secrets millions of years old.The remains of the duck-billed hadrosaur are in such good condition - with its skin almost entirely intact - that it has already revealed the creature ran faster and was far more muscular than previously thought. But the remains could offer an even greater insight into the evolution and biology of dinosaurs. [snip]
