Dr. Tara Cepon-Robins of the University of Colorado - Colorado Springs joined me to talk about worms. She talks about humans' evolutionary arms race with parasites, measuring disgust, and her work among the Shuar people and in the rural southern United States. Check out Dr. Cepon-Robins' site. Find links to articles, books, and pics at AnthroBiology.com. Find the show on Instagram and Twitter @AnthroBiology.