Time is running out and the Doomsday Clock is closer than ever to striking midnight. Explore the chilling history of this iconic symbol for catastrophe, from nuclear threats to the climate crisis, in ‘After Oppenheimer: The Doomsday Threat and the Nuclear Threat’: https://bit.ly/4dcrifw | BBC Select

For 75 years, the Doomsday Clock has served as a metaphor for dire threats to human existence. Learn all about the history of the Clock in our Explainer: http://ms.spr.ly/6008ZCnIM | The University of Chicago