What do frog skin, polyester hair and gene-edited pig kidneys have in common? They’re all part of humanity’s long quest to swap out ailing parts of our bodies, according to science writer Mary Roach. From prosthetic limbs to printable organs, Roach joins to talk about the history and complexities of human body replacement and where the science is today. Her new book is “Replaceable You: Adventures in Human Anatomy.”

Guests:

Mary Roach, author, "Replaceable You: Adventures in Human Anatomy"; her earlier books include "Grunt," "Stiff," "Bonk" and "Fuzz"

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