Basically, a turtle's skeleton is inside out. And just like you can't take a skeleton out of a person, right, you can't take a turtle out of its shell either. But if you could, you'd probably be ...

This young tortoise posted by through.the.lleaves is the cutest thing ever. Fig, a little leopard tortoise, enjoys a good ...

More information: Ivana J. Lezcano et al, Using the axial skeleton as armor: Mechanical behavior of sea turtle carapaces ...

The juvenile loggerhead sea turtle was covered in layers of a variety of algae, acorn barnacles, gooseneck barnacles, worms, ...

The way that turtles evolved into their modern form, with a shell fused to their skeleton and a beaklike face without teeth, has been described as “one of evolution’s most enduring puzzles”.