The race for quantum supremacy continues, with IBM setting a new benchmark for processing power. But the new supercomputer hasn’t actually demonstrated its capabilities just yet - so will it really beat its competitors? The team shares the latest. They also report on Russia’s ‘dangerous’ anti-satellite weapon test, which sent fragments of satellite hurtling towards the International Space Station. They hear from founder of the popular science YouTube channel Kurzgesagt, Philipp Dettmer, about his new book Immune: A Journey into the Mysterious System That Keeps You Alive. As the dust starts to settle following COP26 in Glasgow, the team reflects on the progress that has been made - providing countries stick to their pledges. And there’s a story about an AI drug detective, which has been trained to help keep “legal highs” off the market. On the pod are Penny Sarchet, Timothy Revell, Matthew Sparkes, Leah Crane, Chelsea Whyte and Conrad Quility-Harper. To read about these stories and much more, subscribe at newscientist.com/podcasts. Thanks to our sponsor Brilliant - remember the first 200 people to sign up using this link http://brilliant.org/newscientist will get 20% off unlimited access to all the courses on Brilliant for a whole year.

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