Science Friday 2020-07-17 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 Coronavirus And Schools, New Mars Rover. July 17, 2020, Part 1 How Brains Organize Smells, Plant Evolution In Art, New Hearing Aids. July 17, 2020, Part 2 Produced by Science Friday and WNYC Studios