Fur, Feathers, Hair, and Scales May Have the Same Ancient Origin
New research shows that the processes involved in hair, fur, and feather growth are remarkably similar to the way scales grow on fish—a finding that points to a single, ancient origin of these protective coverings. When our very early ancestors transitioned from sea to land some 385 million years ago, they brought their armor-like scales Read more about Fur, Feathers, Hair, and Scales May Have the Same Ancient Origin[…]