3-parent gene therapy for mitochondrial diseases and a news roundup

Kimberly Dunham-Snary discusses the long-term health considerations of gene therapy for mitochondrial diseases and David Grimm talks about the smell of death, Mercury crashing, and animal IQ. Hosted by Susanne Bard. [Image credit: Ben Gracewood CC BY-NC 2.0, via flickr] Learn more about your ad choices. Visit megaphone.fm/adchoices