Contemplating the multiverse is mind-blowing, but if you want a truly earth-shattering controversy in physics, you have to go back 500 years to Copernicus' radical theory. Dava Sobel tells his story.
Contemplating the multiverse is mind-blowing, but if you want a truly earth-shattering controversy in physics, you have to go back 500 years to Copernicus' radical theory. Dava Sobel tells his story.
Agriculture already shapes the globe. With food insecurity growing around the globe, the unpredictabilities of climate change and population growth booming... what will we eat in the future?
Jonathan Foley heads the Global Landscape Initiative at the University of Minnesota’s Institute on the Environment.
Erik Davis, a fifth generation Californian, tells Jim Fleming that geographically and culturally, his state supports diversity and exploration.
A few years ago, poet Christian Wiman picked up his pen after a three-year hiatus, when he fell in love and was diagnosed with cancer. Listen in as he reads a poem from "Every Riven Thing," the book of poems that followed. You can also hear our interview with him about the collection.
Physicist Michio Kaku's Dangerous Idea? A virtual "library of souls."
Daniel Levitin is a neuroscientist with a twist; he's also a musician and record producer. He says brain imaging is showing how our brains listen to and make music.
Copenhagen, Johannesburg, Kyoto, Rio... it can be hard to keep track of all the international summits where global leaders have tried to tackle climate change. Do international climate negotiations do any good? Author and lobbyist Felix Dodds thinks so. Here's why...
David Leavitt is the author of a novel called "The Indian Clerk" which tells the story of Srinivasa Ramanujan, the uneducated Indian who amazed Cambridge University with his mathematical discoveries.