For decades, coffee has occupied an awkward place in conversations about heart health. It contains caffeine, a stimulant that can temporarily raise blood pressure and make some people feel their heart beating faster. Yet large population st...
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When a tropical system appears in the Atlantic, the urge to watch it move across a map can become almost compulsive. A disturbance off Africa becomes a colored area on an outlook. A few days...
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When artificial-intelligence stocks surge, most attention goes to the companies designing the chips. Nvidia became the emblem of the AI boom because its GPUs perform much of the enormous par...
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On most nights, Americans who want to see the northern lights need to travel a very long way north. Then the Sun becomes unusually active, NOAA issues a geomagnetic-storm watch or warning, a...
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Few numbers can transform an ordinary convenience-store counter into a national obsession as quickly as a giant lottery jackpot. Once Powerball or Mega Millions climbs into the hundreds of m...
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Every September, the technology calendar suddenly becomes crowded. New phones appear within days of one another. Operating systems move from summer previews to public releases. Chipmakers an...
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During Atlantic hurricane season, a disturbance thousands of miles from Florida can become one of the most searched subjects in the United States within hours. A colored blob appears on a we...
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On an autumn Sunday in the United States, a peculiar national clock starts ticking shortly before 1 p.m. Eastern Time. Televisions switch on. Fantasy lineups receive one last nervous inspect...
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Few English words have traveled as far politically as “woke.” Depending on who says it, the word can mean alert to racial injustice, broadly progressive, excessively politically correct, per...
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Stand on a beach and the ocean looks almost two-dimensional: a glittering surface stretching to the horizon. The reality underneath is closer to an inverted mountain world. Plains, ridges, v...
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