Making Some Bones About Our Insides
Bones do so much for us. Fossilized, they provide records of creatures from the past. On labels and flags (think pirates), they provide effective warnings.
Oh, and they keep our bodies from collapsing in a gelatinous heap on the ground. Science writer Brian Switek celebrates these and many more uses in his book Skeleton Keys: The Secret Life of Bone. He joins us to get down to the bones of his story.