As the world commemorates 80 years since the atomic bombings of Hiroshima and Nagasaki, the Doomsday Clock now stands at 89 seconds to midnight — the closest it has ever been. Alexandra Bell, from the Bulletin of the Atomic Scientists, explores the rising nuclear threat and why global action is crucial to avert disaster.

The World in 10 is the Times' daily podcast dedicated to global security. Expert analysis of war, diplomatic relations and cyber security from The Times' foreign correspondents and military specialists. 

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