He threatened to pull out of the alliance after winning office, and then again when running for president in 2024. Just a few weeks ago, at a NATO meeting, U.S. Secretary of Defense Pete Hegseth ...

As the United States races to build the infrastructure required for artificial intelligence, it faces a constraint: legitimacy at the local level. Data centers, transmission lines, and ...

That’s the riddle that scientists from around the world gathered to contemplate at a three-day conference last fall organized ...

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