Episode 327 A special episode recorded on October 18 at New Scientist Live in London, featuring experts in geoscience, dark matter and neuroscience. Anjana Khatwa is an Earth scientist and TV presenter. In her new book, The Whispers of Rock, she brings together Western scientific knowledge about the evolution of our Earth and indigenous knowledge and stories. She demonstrates this connection by exploring the volcanic formation of the Hawaiian islands, and the fascinating folklore attached to their origin. Chamkaur Ghag is a Professor of Physics at University College London and an expert on dark matter. He discusses the LZ Dark Matter Experiment, which is operating one mile under the Black Hills of South Dakota, in the search for a signal of this illusive particle. Daniel Yon is a psychologist and neuroscientist at Birkbeck, University of London. He explains how your brain influences your perception of reality - and how particular neurochemicals in the brain control our willingness to change, or to believe in a conspiracy theory. Hosted by Rowan Hooper and Penny Sarchet on the Engage Stage at the Excel Centre. To read more about these stories, visit https://www.newscientist.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices

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“What did the council decide on item 42?” — answered with the speaker and the moment.