Join me and writer Mary Roach, author of "Stiff" and "Gulp" and the about to be released "Grunt: The Curious Science of Humans at War" on this week's"johnmac Radio Show" by clicking www.blogtalkradio.com/johmac13/2016/06/12/the-weekly-johnmac-radio-show on your browser and / or by dialing 646 716-9756 on your phone -- use the phone also to join us on the air with questions or comments (I hold the participation of callers to near the end of my conversation with my guest).
The recordings of the previous 143 shows may be found at my web home, www.johnmac13.com under the Radio Show tab.
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