Google Introduces A.I. Agent That Aces 15-Day Weather Forecasts

GenCast, from the company’s DeepMind division, outperformed the world’s best predictions of deadly storms as well as everyday weather.

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Iran Declares It Is Doing More Nuclear Enrichment After I.A.E.A. Rebuke

With thousands of advanced centrifuges on standby, Tehran says it is now spinning more, which could increase its stockpile of near-bomb-grade atomic fuel.

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