1 rich Libsyn https://www.libsyn.com 90 600 Paleontologist Bruce Lieberman tracks the history of steam-powered locomotives for answers to huge questions about natural evolution and why species die out. When Experts Attack! http://whenexpertsattack.libsyn.com/website <iframe title="Libsyn Player" style="border: none" src="//html5-player.libsyn.com/embed/episode/id/26431440/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/149419281