National Geographic Explorer Season 10 Episode 8 S10 Ep8

Explorer's Billie Mintz investigates America's booming mobile home market. Japan's population growth isn't expanding fast enough but the country has a solution — and it involves more sex. Host Peter Sagal interviews pioneering geneticist George Church and bioethicist Jeffrey Kahn. Explorer is granted rare access to an Iraqi grandmother who is leading local militia in the fight against ISIS.