A new study finds the pandemic accelerated brain aging—even for those who never caught COVID—raising questions about long-term mental health impacts. The U.N. urges tech giants to switch data centers to 100% renewable energy by 2030 to curb AI’s soaring power demands. California car dealers brace for a final rush as the federal EV tax credit nears its end. And Silicon Valley startups gamble billions on defense manufacturing, hoping contracts follow investment. Subscribe for these stories and more from the LA Times.

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