40 Years Of Sounding The Alarm On Nuclear Win...

On a hot summer day, there’s nothing better than a dip in a cold pool. But you know who can ruin that for you? A scientist who studies pool chemistry. What chemical reactions are happening in that swimming pool when the water comes into contact with our bodily fluids and skin pro ...  Show more

The federal Office of Management and Budget (OMB) has proposed rule changes that would bring a major shift in how scientific grants are awarded by U.S. government agencies. Under the current process, researchers submit grant proposals that are then vetted and scored by a committe ...  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 us Fan MailJoin 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 c ...  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