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The Unsolvable Problem

After a years-long intellectual journey, three mathematicians have discovered that a problem of central importance in physics is impossible to solve—and that means other big questions may be undecidable, too

By Toby S. Cubitt, David Pérez-García and Michael Wolf

Clicks, Lies and Videotape

Artificial intelligence is making it possible for anyone to manipulate audio and video. The biggest threat is that we stop trusting anything at all

By Brooke Borel

Young and Struggling in Science

Life is hard for early-career researchers, who must contend with uncertain futures, compete for funding and balance family life, with the frequent need to move for jobs

By Rebecca Boyle

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