Paragraph 1: A Quiet Alarm in Beijing In a world increasingly shaped by algorithms and automated systems, the idea of machines making life-and-death decisions on the battlefield is no longer the stuff of science fiction—it is a present and growing reality. That reality, however, has begun to stir deep unease in global capitals, and on Thursday, Beijing made that unease unmistakably clear. China expressed grave concern over what it called the “unrestrained” use of artificial intelligence in military operations, a striking statement that came in direct response to a recent CNN report detailing a near-catastrophic incident involving the United States…

Beet juice has become a kind of wellness celebrity, appearing in bright purple bottles at gyms, in smoothie bowls, and in eager Instagram posts promising everything from faster sprints to lower blood pressure. There is something satisfying about the idea that a humble root vegetable could unlock better workouts and keep your heart healthy, as if nature had hidden a performance-enhancing drug inside something you can roast for dinner. And there is real science underneath that glow: beets are rich in nitrate, a compound that can enter the body’s nitric oxide pathways. Nitric oxide is central to how blood vessels…