Mary Roach writes brilliant nonfiction books about science and the human body that are gripping, hilarious, and usually really gross.

Which is why we weren't surprised that the reason Mary wants oysters for her last year...is also kind of gross! Host Rachel Belle digs into the myths behind oysters with Rowan Jacobsen, author of "The Essential Oyster," and food & science collide as we meet Tom Ryan: CEO of Smashburger, and the inventor of McDonalds' Flury, McGriddles, and Pizza Hut's stuffed-crust pizza.

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