Moral Darwinism: The Surprising Evolution of Human Values Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Cottam coal-fired power station, Nottinghamshire. Owned by London Power Co. January 2000 ( Photofusion/UIG / Getty ) Produced by Mythili Rao Hosted by Todd Zwillich Produced by PRI and WNYC