Skin deep: Aquatic skin adaptations of whales and hippos evolved independently

A new study shows that the similarly smooth, nearly hairless skin of whales and hippopotamuses evolved independently. The work suggests that their last common ancestor was likely a land-dwelling mammal, uprooting current thinking that the skin came fine-tuned for life in the water from a shared amphibious ancestor.
Read Original Article: Skin deep: Aquatic skin adaptations of whales and hippos evolved independently »