1 rich Libsyn https://www.libsyn.com 90 600 Climate change is causing permafrost to melt, unearthing things that have been frozen for hundreds of thousands of years.&amp;nbsp; Bio-ethicist Art Caplan says some of those things are viruses that we might have no way of combatting. The Musical Innertube https://www.musicalinnertube.com <iframe title="Libsyn Player" style="border: none" src="//html5-player.libsyn.com/embed/episode/id/27783951/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/content/158387538