Science Friday 2021-03-12 Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Jackson Water Woes, Giant Telescope Mirror, Shark Sex. March 12 2021, Part 1 Virtual Disease, Daydreaming, Geoengineering. March 12 2021, Part 2 Produced by Science Friday and WNYC Studios