Those of us who have never owned a tortoise or turtle may be startled to learn they can feel through their shells. In fact, most of what we think we know about tortoise shells is probably wrong.

2 A tortoise by any other name A turtle refers to any reptile with a shell, so all tortoises are technically turtles, too. The main difference is that tortoises live only on land, while turtles ...

And here’s one we really didn’t expect; a replacement shell for a tortoise! At a public education program for the rescue, [Novelli] made an offhand comment about how cool it would be to 3D ...