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In this episode:   Sex toy book parties! Penis transplants! Decomposition labs! These are just a few of the places the intrepid, New York Times bestselling author Mary Roach takes us in hilarious, curiosity-driven books like Bonk:: The Curious Science of Sex and her latest, Grunt: The Curious Science of Humans at War. It's some of the best, most engaging science writing out there. 

On this week's episode of Think Again–a Big Think Podcast, Mary and host Jason Gots discuss some of the above, then enter more the more abstract territory of dark matter, Nietzche's atheism, and emotional connections with artificial intelligence. It's a weird and wonderful talk adventure. 

Surprise discussion clips in this episode: Philosopher Simon Critchley on NietzschePhysicist Lisa Randall on Dark MatterSherry Turkle on Emotions and AI


Mary Roach Quote: I think squeamishness is just fear of the unknown.

About Think Again - A Big Think Podcast: You've got 10 minutes with Einstein. What do you talk about? Black holes? Time travel? Why not gambling? The Art of War? Contemporary parenting? Some of the best conversations happen when we're pushed outside of our comfort zones. Each week on Think Again, we surprise smart people you may have heard of with short clips from Big Think's interview archives on every imaginable subject. These conversations could, and do, go anywhere.