Reptiles are fascinating creatures known ... of the largest snakes in the world and has an equally impressive pattern. Its ...

Most vertebrate skin appendages—hair, feathers, and scales—develop in a pattern dictated by the interaction of functionally ... About a decade ago, Milinkovitch noticed that the scales on the ...

The skin, which they say likely belonged to a reptile, is estimated to come from the Paleozoic era, between 541 million to 252 million years ago. It dates back at least 290 million years.