The nuclear threat is back, and the Doomsday Clock is almost at midnight. How did we end up here again? In the 1930s, German physicists learned that splitting the nuclei of heavy atoms could release tremendous amounts of energy. Such theoretical ideas became relevant when WW II began.  

Today, we try to eliminate nuclear weaponry while exploiting the atom for peaceful uses, such as energy generation. But as the invasion of Ukraine shows, power plants can also be military targets. We lay out some of the questions that scientists and strategists are grappling with considering recent events. 

Guests

Descripción en español

Featuring music by Dewey Dellay and Jun Miyake

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2026 Webby Award Nominee
for our three part series on the 20th anniversary of Hurricane Katrina

Big Picture Science is an immersive radio show and podcast that reveals the unexpected connections in science.

Our Skeptic Check episodes take a critical look at extraordinary science claims and pseudoscience.

Don’t settle for a science snapshot. Get the big picture. 

Hosted By

Molly Bentley Executive Producer and Co-Host, Big Picture Science  

Seth Shostak Producer and Co-Host, Big Picture Science
Senior Astronomer, SETI Institute

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