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b'The Earth is in motion beneath our feet. The shifting and grinding of the tectonic plates is responsible for the shape of our planet\\u2019s surface and \\u2013 directly or indirectly \\u2013 nearly all the activity that happens upon it. Plate tectonics has a deep and fascinating history, both as a force that has shaped the Earth for billions of years and as a surprisingly recent foundational scientific theory.\\nIn the news: shark teeth, Cambrian predators, Carnotaurus skin, and teratorns.\\nTime markers:Intro & Announcements: 00:00:00News: 00:05:30Main discussion, Part 1: 00:29:30Main discussion, Part 2: 01:16:30Patron question: 01:57:00\\nCheck out our blog for bonus info and pictures:http://commondescentpodcast.wordpress.com/\\nJoin us on Patreon to support the podcast and enjoy bonus content! https://www.patreon.com/commondescentpodcast\\xa0\\nOr make a one-time donation via PayPal: https://tinyurl.com/4c68u4hp\\nFind merch at the Common Descent Store! http://zazzle.com/common_descent\\nFollow and Support us on: Twitter: https://twitter.com/CommonDescentPCFacebook: https://www.facebook.com/commondescentpodcastInstagram: @commondescentpodcast YouTube: https://www.youtube.com/channel/UCePRXHEnZmTGum2r1l2mduwPodBean: https://commondescentpodcast.podbean.com/ iTunes: https://itunes.apple.com/us/podcast/the-common-descent-podcast/id1207586509?mt=2\\nThe Intro and Outro music is \\u201cOn the Origin of Species\\u201d by Protodome. More music like this at http://ocremix.org.\\nMusical Interludes are "Professor Umlaut" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 3.0http://creativecommons.org/licenses/by/3.0/'