If you’ve ever looked closely at a turtle, you’ve probably wondered what that hard, rounded shell is actually made of. Looks like armour. It looks removable, like a helmet or a protective covering ...

Learn how exotic appetites are threatening this endangered species. Discover one of the largest sea turtles in the world.

Add Yahoo as a preferred source to see more of our stories on Google. Shell integration typically involves 50 to 60 individual bones fusing into a permanent structural cage. The carapace creates a ...