Strapped-on brass noses, frog skin grafts, human organs grown in pigs: The world of replaceable body parts is both amazing and a bit unsettling. But who better give us a tour of the past and present of what medical engineering considers Plan B, than the inimitable science writer Mary Roach.

Guest:

Mary Roach – Science writer and author of “Replaceable You: Adventures in Human Anatomy”

Featuring music by Dewey Dellay and Jun Miyake

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