Fixing Society's Toughest Problems? ‘It’s On ...

Skepticism around public health policy, experts and institutions has left some researchers asking basic questions about their role and relationship with the public. Can public health be done better? Epidemiologist Erica Walker has a perspective on just that. She started off study ...  Show more

Is this the real life? Is this just fantasy? Caught in a landslide, no escape from reality. Open your eyes, look up to the skies and see. There’s something about space that captures the imagination of scientists and artists alike. Just ask astrophysicist Derek Ward-Thompson and a ...  Show more

It’s a measure of their insanity that leaders around the world are seriously considering nuclear war. Ivana Hughes of Columbia on what that would mean. (00:00) How Powerful Are Nuclear Weapons? (09:46) What Would Happen if a Nuke Detonated Over Times Square? (24:56) Ozone Layer D ...  Show more

Since the US bombing of Japan in World War II, the world entire has remained terrified of nuclear weapons. Even as scientists and scholars spent decades warning about the existential threat posed by technology that can literally end civilization, countries across the planet raced ...  Show more

Send a textJoin Professor Jeffrey Sachs and global security expert Jon Wolfsthal to unravel the stark reality behind the Doomsday Clock - now set at a perilous 89 seconds to midnight. What does this ominous timepiece truly measure, and why has humanity never been closer to catast ...  Show more

Much of our discussions about nuclear weapons focus on Oppenheimer, the Manhattan Project, or the Cold War. But what does the current nuclear age really look like? Sarah Scoles joins Heather Williams to discuss her book “Countdown” and share first hand reporting on the scientists ...  Show more