When an iPhone suddenly refuses to install a new app or take another photo, the culprit is often a mysterious bar in Settings labelled “System Data.” Instead of music, photos or apps you recognise, ...

Some tech leaders are concerned that the artificial intelligence race will exhaust available land and energy. The solution might lie in orbit. Credit...Soña Lee Supported by By Eli Tan and Ryan Mac ...

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An inherent principle of publication is that others should be able to replicate and build upon the authors' published claims. A condition of publication in a Nature Portfolio journal is that authors ...

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