1 rich Libsyn https://www.libsyn.com 90 600 Nels and Vincent explain research which shows that insertion of a retrovirus into the genome regulates a novel color trait in swordtail fish. Hosts:&amp;nbsp;Nels Elde&amp;nbsp;and&amp;nbsp;Vincent Racaniello Subscribe (free): Apple Podcasts,&amp;nbsp;RSS,&amp;nbsp;email Become a patron&amp;nbsp;of&amp;nbsp;TWiEVO Links for this episode Join the&amp;nbsp;MicrobeTV Discord server Retrovirus and&amp;nbsp;swordfish scale color&amp;nbsp;(bioRxiv) Timestamps by&amp;nbsp;Jolene Science Picks Nels&amp;nbsp;–&amp;nbsp;Some like it hot! A geothermal amoeba sets a new upper temperature limit for eukaryotes&amp;nbsp;and&amp;nbsp;Kara Marshall’s talk on history of science/science funding in the US, family connections to medical care, and her own lab’s work at Baylor College of Medicine Vincent&amp;nbsp;–&amp;nbsp;NIH shake-up to grant decision-making draws concerns of political meddling Music on TWiEVO is performed by&amp;nbsp;Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv This Week in Evolution http://microbe.tv/twievo <iframe title="Libsyn Player" style="border: none" src="//html5-player.libsyn.com/embed/episode/id/39661345/height/90/theme/custom/thumbnail/yes/direction/forward/render-playlist/no/custom-color/88AA3C/" height="90" width="600" scrolling="no" allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen></iframe> https://assets.libsyn.com/secure/item/39661345