How empty is space? Neil deGrasse Tyson and Chuck Nice break down things you thought you knew about asteroid belts, the sun’s highest point in the sky, and what the real danger is in a zombie apocalypse.

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Why can’t you divide by zero? Neil deGrasse Tyson and Chuck Nice discuss higher dimensions, dividing by zero, and math’s unsolved questions with math YouTuber Grant Sanderson (3blue1brown).

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Can you trust medical information on the internet? Neil deGrasse Tyson, Chuck Nice, and Gary O’Reilly team up with pharmaceutical scientist and social media “medfluencer” Morgan McSweeny (aka Dr. Noc) to break down common internet medical myths from Big Pharma to raw milk to vaccine hesitancy. Plus a discussion with filmmaker Scott Hamilton Kennedy from Shot in the Arm.

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What happens to gravity when matter converts to energy? Neil deGrasse Tyson and co-host Paul Mecurio dive into fan questions about the speed of light, time machine mistakes, and what Neil would do if he were an alien.

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Is there life on other planets? On this episode of StarTalk, Neil deGrasse Tyson and co-host Matt Kirshen dig into the search for extraterrestrial life with exoplanet expert and author of the memoir, “Smallest Lights in the Universe,” astrophysicist Sara Seager.

Originally Aired March 15, 2021

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Could the Higgs field vary across space and time? Neil deGrasse Tyson and comic co-host Chuck Nice answer fan questions on cosmic inflation, quantum fluctuations, and the earliest moments after the Big Bang with cosmologist Brian Keating.

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How do you recreate a brain circuit in a dish, and what can it unlock about our minds? Neil deGrasse Tyson, Chuck Nice, and Gary O’Reilly explore the frontier of neuroscience with Stanford neuroscientist Sergiu Pașca, to break down stem cells, how the brain forms itself, and assembloids: self-organizing brain circuits.

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How did Einstein’s work influence the world we know today? Neil deGrasse Tyson and Harrison Greenbaum team up with astrophysicist Janna Levin, PhD, to explore Einstein’s physics and its resulting discoveries, from Walmart laser pointers to black holes and wormholes.

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