Add Yahoo as a preferred source to see more of our stories on Google. A juvenile Nile crocodile. It is small with pointed teeth Typically, animal skin appendages including hair, feathers, and scales ...

Children with the condition aplasia cutis congenita (ACC) are born with the absence of skin along the midline of the scalp. Depending on whether mutations are in the KCTD1 or KCTD15 genes, additional ...

A delicate, innocuous little fossil reptile known as Mirasaura grauvogeli – “Grauvogel’s wonder reptile” – is forcing a rethink about the evolution of skin and its appendages such as feathers and hair ...