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POPS10 Amazing clips from the life sciences 1. "Building Body Parts from Scratch Last week, regenerative medicine researchers announced that they have grown a new windpipe for a woman who was crippled by tuberculosis. Years ago, other scientists were able to make bladders, from scratch, and implant them in children with malformed urinary tracts. This video shows some amazing footage from two tissue engineering labs'.
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POPSDinosaur evolutionary tree unveiled It remained at that low level throughout the following Cretaceous period, a time of plenty in Earth's terrestrial history in which flowering plants, lizards, snakes, birds and mammals all became much more numerous. Dinosaurs apparently did not take advantage of the abundant food supply that emerged during the Cretaceous Terrestrial Revolution. "Our supertree allows us to look for unusual patterns across the whole of dinosaurs for the first time," says Lloyd. "It is the most comprehensive picture ever produced of how dinosaurs evolved."