Bill Nye looking at his watch
The Doomsday Clock, pictured here next to scientist Bill Nye, is a symbol reflecting global instability and nuclear threat. Courtesy of Jacquelyn Martin / Associated Press
Bill Nye looking at his watch
The Doomsday Clock, pictured here next to scientist Bill Nye, is a symbol reflecting global instability and nuclear threat. Courtesy of Jacquelyn Martin / Associated Press

The Bulletin of the Atomic Scientists — a scientific advocacy group — reset the world’s “Doomsday Clock” at a mere 90 seconds to midnight. The clock, created in 1947, is a symbol reflecting global instability and nuclear threat.

Reset talked to a UChicago professor to learn more about the history of the clock and how a time is picked every year.

GUEST: Daniel Holz, Professor of Astronomy & Astrophysics and Physics, U Chicago

Bill Nye looking at his watch
The Doomsday Clock, pictured here next to scientist Bill Nye, is a symbol reflecting global instability and nuclear threat. Courtesy of Jacquelyn Martin / Associated Press
Bill Nye looking at his watch
The Doomsday Clock, pictured here next to scientist Bill Nye, is a symbol reflecting global instability and nuclear threat. Courtesy of Jacquelyn Martin / Associated Press

The Bulletin of the Atomic Scientists — a scientific advocacy group — reset the world’s “Doomsday Clock” at a mere 90 seconds to midnight. The clock, created in 1947, is a symbol reflecting global instability and nuclear threat.

Reset talked to a UChicago professor to learn more about the history of the clock and how a time is picked every year.

GUEST: Daniel Holz, Professor of Astronomy & Astrophysics and Physics, U Chicago