Science Friday 2020-12-04 Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email David Attenborough, China’s Moon Mission, COVID Approved In U.K. Dec 4, 2020, Part 1 Virtual Worlds And Wildfire Health Effects. Dec 4, 2020, Part 2 Produced by Science Friday and WNYC Studios