The US military mistakenly shot down a Customs and Border Protection (CBP) drone near the Mexican border in a strike that reportedly used a laser-based anti-drone system. The CBP uses drones to track people crossing the border.
Chad Whitacre Head of Open Source, Sentry
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While lifesaving vaccines face a relentless onslaught from the Trump administration—with fervent anti-vaccine advocate Robert F. Kennedy Jr. leading the charge—scientific literature is building a wondrous story: A vaccine appears to prevent dementia, including Alzheimer's, and may even slow biological aging.
2026-02-27 00:00:00:03014252310http://paper.people.com.cn/rmrb/pc/content/202602/27/content_30142523.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/27/content_30142523.html11921 本版责编：李 拯 邹 翔 常 晋
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