Solving one of cosmology's biggest conundrums...

Alcoholism is a scourge on modern society. Every year, 178,000 American die from alcohol abuse, and it has been estimated that over 200 billion dollars is lost from the US economy due to alcoholism, includingcosts of health care, lost productivity, and costs of crime enforcement. ...  Show more

I’m back with my friend and colleague Sabine Hossenfelder for another episode of “What’s New in Science”. I think this is one of my favorite dialogues that we have had. Spending time with Sabine was a nice chance to step away from my physics lecture series for a bit. I know many ...  Show more

A mile of pure fire. A flash that melts everything — titanium, steel, lead, people. A blast that mows down every structure in its path, 3 miles out in every direction. Journalist Annie Jacobsen spent years interviewing scientists, high-ranking military officials, politicians, and ...  Show more

Send a textJoin Professor Jeffrey Sachs and award-winning journalist Annie Jacobsen as they discuss Jacobsen’s chilling and rigorous depiction of nuclear war in her groundbreaking book, Nuclear War: A Scenario. With meticulous research and interviews with military and political i ...  Show more

Where did the world’s most devastating weapon come from? In a four-part series, we go behind the scenes at America's nuclear laboratories to understand how a scientific-mystery story about the ingredients of matter led to a world-changing (and second-world-war-ending) bomb less t ...  Show more

In an episode first reported in 2017, we bring you a look up and down the US nuclear chain of command to find out who gets to authorize their use and who can stand in the way of Armageddon. 

President Richard Nixon once boasted that at any moment he could pick up a telep ...