Synthetic Genomes, Climate Panel, Local Recycling. March 1, 2019, Part 1 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 A double helix built from four naturally occurring bases. ( Millie Georgiadis, Indiana University School of Medicine ) Hosted by Ira Flatow Produced by Science Friday and WNYC Studios