Following is a transcript of the video. Narrator: A turtle's shell is as much a part of its body as our rib cage is of ours. In fact, it is their rib cage, and their spine, and their vertebrae ...

Sea turtle shells balance strength, flexibility, and speed to ensure survival. A new study reveals surprising differences ...

When we picture sea turtles in the wild, it's easy to envision them as armored warriors – their hard, resilient shells serving as near-impenetrable ...

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 ...

When we picture sea turtles in the wild, it's easy to envision them as armored warriors—their hard, resilient shells serving as near-impenetrable shields against oceanic threats like sharks.