Mary Roach Loves Writing About Weird Science

The best-selling science journalist Mary Roach has written about sex and death and the digestive system — basically, all of the topics that children are taught to avoid in polite company. In her latest, “Replaceable You,” she examines prosthetics, robotics and other ways that technology can interact with human anatomy. 

On this week’s episode of the podcast, Roach tells host Gilbert Cruz how she comes up with her ideas and what keeps drawing her back to the bizarre, hilarious bits of trivia that the human body offers up.

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