Top A.I. Researchers Leave OpenAI, Google and Meta for New Start-Up

Founded by a co-creator of ChatGPT, Periodic Labs aims to build artificial intelligence that can accelerate discoveries in physics, chemistry and other fields.

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The $400 Million Restaurant Man

Stephen Starr has become one of America’s most successful restaurateurs, making and replicating dining magic at places like Pastis and Osteria Mozza.

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Government Shutdown Could Delay Economic Data at a Critical Moment

“Flying blind amidst heavy fog is a dangerous proposition,” one economist said about the risks of a lapse in official statistics.

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What We Know About ChatGPT’s New Parental Controls

OpenAI said parents can set time and content limits on accounts and receive notifications if ChatGPT detects signs of potential self-harm.

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Trinity Church’s New Organ in Manhattan Is Shaking the Pews

Trinity’s organ was destroyed in the Sept. 11 attacks. At last, its replacement has been unveiled. Hear the sound of its 8,041 pipes.

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How Zohran Mamdani Built a Campaign Around Food

The front-runner for New York mayor is leveraging his lifelong love of eating to inform his policy plans and spread his message.

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After Eric: The State of the Mayor’s Race

With Eric Adams’s exit, a Mamdani win still looks likely. But in New York, anything can happen.

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Can the Steakhouse Evolve? 3 New NYC Restaurants Offer Ideas.

Ligaya Mishan visits three New York City newcomers that offer different ideas of how to update a classic.

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After Volatile Summer, Trump’s Approval Remains Low but Stable, Poll Finds

A new Times/Siena survey shows the president retaining the support of nine out of 10 G.O.P. voters, even as the government races toward a shutdown on Wednesday.

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Memphis Braces for the National Guard

Drained by years of crime and conservative criticism, Memphis is set to receive a wave of federal agents that residents are divided over.

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