On this week’s Tech Nation, Moira speaks with Stanford University Research Scholar, Adrienne Mayor, what do ancient myths tell us about the deep history of planet earth in her book "Mythopedia". Then in biotech, Dr. Ned Swanson, the President and Chief Medical Officer of Polarity Bio, tells us about their approach to healing serious, hard-to-treat skin wounds. In early trials, it’s twice as effective as the current treatment for diabetic foot ulcers.