Online news editor David Grimm shares stories on confessions extracted from sleepy people, malaria hiding out in deer, and making squishable bots based on cockroaches. Corinne Simonti joins host Sarah Crespi to discuss whether Neandertal DNA in the human genome is helping or hurting. Read the related research in Science. [Image: Tom Libby, Kaushik Jayaram and Pauline Jennings. Courtesy of PolyPEDAL Lab UC Berkeley.]