This episode topic comes from a fan request! We’re discussing how lessons from our planet’s prehistoric record can guide our efforts to preserve modern ecosystems: this is the field of conservation paleontology.In the news: sword-tailed sea scorpions, finding ancient DNA without fossils, climate change during the end-Pleistocene extinction, and (maybe) the oldest humans in North America!Time markers: Intro & Announcements: News: Main discussion: Check out our blog for bonus info and pictures: http://commondescentpodcast.wordpress.com/Follow and Support us on: Patreon: https://www.patreon.com/commondescentpodcast Twitter: https://twitter.com/CommonDescentPC Facebook: https://www.facebook.com/commondescentpodcast/ PodBean: https://commondescentpodcast.podbean.com/ iTunes: https://itunes.apple.com/us/podcast/the-common-descent-podcast/id1207586509?mt=2 Stitcher: http://www.stitcher.com/podcast/common-descent/the-common-descent-podcastThe Podcast music is “On the Origin of Species” by Protodome. More music like this at http://ocremix.org.