Ukraine struck a railway depot and knocked out power in the Russian-occupied city of Melitopol deep behind the front line on Wednesday amid growing talk from Kyiv of a counterassault against Russian forces worn out by a failed winter offensive.
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Elon Musk and a group of artificial intelligence experts and industry executives are calling for a six-month pause in developing systems more powerful than OpenAI's newly launched GPT-4, in an open letter citing potential risks to society.
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The decision was made in order to "to focus on medicines with the greatest potential benefit to patients," the company said.
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The U.S. Senate backed legislation on Wednesday to repeal two decades-old authorizations for past wars in Iraq, as Congress pushes to reassert its role in deciding whether to send troops into combat 20 years after the last invasion.
