Nuclear Winter with Ann Druyan and Brian Toon

Could spacetime curve in the opposite direction and produce a repulsive field instead of gravity? Neil deGrasse Tyson and comic co-host Chuck Nice tackle fan questions about photons, heat death, gravitational waves, neutron stars and more with astrophysicist Michelle Thaller. NOT ...  Show more

How do you get entangled particles? Neil deGrasse Tyson and comic co-host Chuck Nice unpack the experimental side of entanglement, superposition, and the quantum underpinnings of our universe with experimental physicist, Sean Hodgman. NOTE: StarTalk+ Patrons can listen to this en ...  Show more

Late last month, President Trump announced that the United States would be restarting nuclear weapons tests after a break of over 30 years. We’ve since learned that they won’t be the explosive kind of tests, but this sent us down a rabbit hole — where we found a story about dinos ...  Show more

At the height of the Cold War, a group of concerned scientists promoted their findings on the horrific aftereffects of nuclear war and were accused of fearmongering. But were they right after all? Learn all about the debate and its context in this classic episode.See omnystudio.c ...  Show more

On the program this week Jonathan chats to world-renowned Astrophysicist Neil deGrasse Tyson about his new book as well as all things cosmos related. This week for the Newsround Jonathan McCrea was joined by Dr Fergus McAuliffe and  scientist Jessamyn Fairfield. They discussed a ...  Show more

Sam Harris speaks with William J. Perry and Lisa Perry about the ever-present threat of nuclear war. They discuss the history of nuclear weapons, the bombing of Hiroshima and Nagasaki, the Cuban Missile Crisis, the present threat of accidental nuclear war, nuclear terrorism, unil ...  Show more