Dinosaur embryo found

Scientists have found the first perfectly preserved embryo of a so-called flying dinosaur inside a fossilised egg. The embryo is a pterosaur, the collective name for flying reptiles that co-existed with dinosaurs. The 5.3cm-long egg, which holds an embryo with a wingspan of cm, dates back 121 million years to the early Cretaceous period. Details of the find are in the latest edition of Nature .