Hosts: Nels Elde and Vincent Racaniello Nels and Vincent talk about how a cellular enzyme contributes to the very high mutation rate of human immunodeficiency virus type 1. Links for this episode Cell defense enzyme drives high HIV mutation rate (PLoS Biol) High mutation rate of HIV in vivo (PLoS Biol) High viral mutation rates are beneficial (virology blog) Image credit Science Picks Nels - Antelope Island State Park (Bison herders wanted)Vincent - Processed meats cause cancer Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv