Kerri Miller's 'Thread' event: science writer Mary Roach

MPR's Kerri Miller hosts science writer Mary Roach for the latest edition of the 'Thread' series. Roach is the author of books with such intriguing titles as "Stiff," "Spook" and "Gulp." Her newest book is "Grunt: The Curious Science of Humans At War."

Event recorded at the Fitzgerald Theater in downtown St Paul June 10, 2016.

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