DeepSeek Shows Meta’s A.I. Strategy Is Working

The Silicon Valley giant was criticized for giving away its core A.I. technology two years ago for anyone to use. Now that bet is having an impact.

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After DeepSeek, Venture Capital Investors Face Questions About Their A.I. Bets

Venture capitalists plowed money into A.I. start-ups like OpenAI and Anthropic. But the rise of the Chinese A.I. start-up DeepSeek has called that funding frenzy into question.

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A Restaurant That Helped Change Bryant Park Is Losing Its Lease

The Bryant Park Grill, which opened nearly 30 years ago, will be replaced by a restaurant run by a high-profile chef.

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U.K. Government Backs Heathrow Expansion in Push for Faster Growth

The country’s top finance official supported adding a third runway to the London hub, a decision that has been held up for decades, and other measures intended to strengthen economic growth.

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Leaving the W.H.O. Could Hurt Americans on a Range of Health Matters

President Trump’s decision to pull out of the international health agency could deprive the United States of crucial scientific data and lessen the country’s influence in setting a global health agenda.

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Catholic Church in the Philippines Accused of Impunity Over Priest Abuse

A watchdog group, Bishop Accountability, said it had found scores of clerics with ties to the country who have been publicly accused of sexual abuse. But very few have been disciplined.

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Russia Seizes Another Town in Ukraine in Push to Take All of Donetsk

Moscow’s troops used the same pincer tactic on Velyka Novosilka that has enabled their recent capture of town after town in eastern Ukraine.

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He Survived 15 Months of War in Gaza, Then Died as Cease-Fire Neared

Fighting claimed lives until the final moments before the truce between Israel and Hamas took effect. For some, an unexpected delay of a few hours proved deadly.

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Citizenship by Birthright? By Bloodline? Migration Is Complicating Both.

In a world where people are more mobile than ever, nations are struggling to recalibrate who can be a citizen.

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He’d Flown Hundreds of Dogs Out of Danger. He Wanted to ‘Save One More.’

Seuk Kim left behind a finance career to chase his dream of becoming a pilot. He took off one day in November with four dogs on board, a trip that would not go according to plan.

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