Susan Crockford: Failed polar bear narrative; also their origin/evolution | Tom Nelson Pod #187

Scientist Susan Crockford has spent decades writing professional papers and books but has been blogging about polar bears for non-scientists since 2012. Her books include Polar Bear Evolution: A Model for How New Species Arise, The Polar Bear Catastrophe That Never Happened, Sir David Attenborough and the Walrus Deception, Polar Bear Facts & Myths (for kids), and (for fiction lovers) a polar bear attack thriller set in Newfoundland called EATEN. 00:00 Introduction and Guest Presentation 00:32 Recent Developments in Polar Bear Research 01:31 Discrepancies in Polar Bear Population Reports 04:03 The Impact of Climate Change on Polar Bear Populations 05:08 Challenges in Polar Bear Population Management 05:38 Historical Perspective on Polar Bear Populations 08:07 The Politics of Polar Bear Research 10:13 The Role of Indigenous Knowledge in Polar Bear Research 13:46 The Consequences of Speaking Out in Polar Bear Research 23:35 Exploring Polar Bear Evolution 32:56 The Mystery of Animal Transformation 33:22 Debunking Genetic Mutation Theory 34:06 The Role of Thyroid Hormone in Animal Transformation 36:33 Understanding Hormonal Rhythms 38:27 The Hypothesis of Hormonal Selection 39:58 The Theory's Reception and Testability 41:17 Challenges in Measuring Thyroid Hormone 41:39 Potential Testing Methods and Future Research 46:29 Exploring Polar Bear Evolution 01:00:34 The Role of Thyroid Hormone in Species Differentiation 01:03:30 The Process of Animal Domestication 01:07:14 Closing Remarks https://twitter.com/sjc_pbs http://polarbearscience.com ========= AI summaries of all of my podcasts: https://tomn.substack.com/p/podcast-summaries About Tom Nelson: https://linktr.ee/tomanelson1 YouTube: https://www.youtube.com/playlist?list=PL89cj_OtPeenLkWMmdwcT8Dt0DGMb8RGR Twitter: https://twitter.com/TomANelson Substack: https://tomn.substack.com/ About Tom: https://tomn.substack.com/about