Distant Aliens & Space Dinosaurs with Lisa Ka...

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

There's perhaps no bigger "What If" that will ever be asked. As long as we have been able to look up at the stars and understand the vastness of space, humans have pondered whether we are indeed alone in the universe. But perhaps no one has "been on the case" in a more serious wa ...  Show more

Learn about how culture plays a role in feeling sick; that time scientists measured all the light in the known universe; and what Jurassic Park got wrong about the Dilophosaurus, that venomous dinosaur with the frilly collar.Culture plays a role in feeling sick by Kelsey DonkRese ...  Show more

Go to www.greenchef.com/WHATIF90 and use code WHATIF90 to get $90 off, including free shipping. It's been a long strange journey for Nobel Prize winning astronomer Didier Queloz. In 1995, he and his team discovered the first "Exosolar Planet" i.e. an Earth-like planet orbiting a ...  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