Cosmic Queries – Living in a Simulation ...

Have aliens already secretly visited us? Neil deGrasse Tyson sits down with Steven Spielberg and screenwriter David Koepp to discuss their new film Disclosure Day, alien contact, and why Spielberg believes there’s more out there than meets the eye. NOTE: StarTalk+ Patrons can lis ... Show More

Is the fear of heights innate or learned? Neil deGrasse Tyson, Chuck Nice, and Gary O'Reilly explore taking risks, the neuroscience of fear, and how to overcome it with freestyle rock climber and subject of the film Free Solo, Alex Honnold, and neuroscientist Heather Berlin. NOTE ... Show More

Did the Milky Way used to be a quasar? On this episode, Neil deGrasse Tyson and comic co-host Chuck Nice explore quasars, the high energy universe, and the movie we’re making of the night’s sky with astrophysicist & host of PBS Space Time, Matt O’Dowd. NOTE: StarTalk+ Patrons can ... Show More

Sean Illing talks with philosopher David Chalmers about virtual worlds and the nature of reality, and other topics that stem from Chalmers's new book Reality+. In this far-reaching discussion, Sean and Prof. Chalmers get into the makeup of human consciousness, the question of whe ... Show More

Philosopher David Chalmers reckons there’s a 25% chance that we are living in a simulation. And he’s OK with it. David's new book is "Reality+: Virtual Worlds and the Problems of Philosophy." To hear an extended version of this episode, download the Next Big Idea app: https://nex ... Show More

Sign up for the Great Courses Plus today and enjoy the first month for free: https://bit.ly/podcast-great-courses-plus We know the history of this planet and asteroids isn't good...just ask the dinosaurs. So, what if we were faced with the same situation now? How much time wou ... Show More

Neil deGrasse Tyson (@neiltyson) is the Frederick P. Rose Director of the Hayden Planetarium, host of StarTalk Radio, and author. He is kind enough to rejoin us and discuss his latest book, Starry Messenger: Cosmic Perspectives on Civilization. What We Discuss with Neil deGrasse ... Show More

It's easy to forget that long standing scientific theories are in fact, theories and therefore are subject to revision and change as new information comes to light or we develop new ways to understand our Universe. The current accepted theory on the creation of our Universe is, o ... Show More

This week we hear stories on the gut microbiome’s involvement in multiple sclerosis, how wildfires start—hint: It’s almost always people—and a new record in quantum computing with Online News Editor David Grimm. Andrew Wagner talks to Lulu Qian about DNA-based robots that can car ... Show More

<p><strong>#085 Rebroadcast<br /> </strong></p> <p>Well here in Texas, we just suffered through an intense freeze. And many a plant became a casualty of the cold, but why? What's going on at the molecular level that causes freezing temperatures to be bad for many plants? And is t ... Show More