Science Friday Published by Science Friday Hr2: Editing DNA, Male Contraception, Bomb-sniffing Spinach Listen 45 min Queue Download this audio Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/680244/&share=1"></iframe> Share on Facebook Share on Twitter Email a Friend The CRISPR-Cas9 gene editing system is a less perfect fix for gene editing than news reports make it out to be. Plus, hormonal male birth control can work. But why isnt it commercially available?