Neither scales nor feathers: scientists find ancient reptile with back nails
German paleontologists from the The Stuttgart State Museum of Natural History became interested in an unusual reptile that lived in the Triassic period about 200-250 million years ago and had a strange crest on its back, consisting of bones rather than scales or feathers.
Scientists have bred chickens with dinosaur-like feathers
As part of their study of feather evolution, scientists have tried to restore the original appearance of chickens. They succeeded, but only temporarily.
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