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 inspection. Phones fill with injury alerts. Sports bars b...
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There is ordinary tiredness—the heavy-eyed feeling after a late night, a long flight or an exhausting week—and then there is the more puzzling question: Why am I tired all the time? You slee...
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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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You are reading an email, driving home or trying to fall asleep when one eyelid begins to flutter. It stops. Ten minutes later it starts again. By the third day, a tiny muscle movement that...
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If someone asks when World War II ended, the safest short answer is 1945. If they ask for the exact date, history becomes more interesting. Was it May 8, when Nazi Germany's defeat ended the...
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You check your phone and it is 4:44. Later, a receipt ends in $4.44. That evening, three fours appear in an address or a license plate. After the third encounter, coincidence can start to fe...
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“Why does my stomach hurt?” sounds like a simple question, but medically it is one of the broadest questions a person can ask. What we casually call the stomach is often the entire abdomen,...
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Artificial intelligence has become one of those phrases that seems to describe everything at once. It can mean the system that recommends a song, the software that detects a suspicious bank...
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There is a point in an Arctic winter when ordinary ideas about daytime stop being useful. The sun may skim the horizon without properly rising, snow can turn blue in the long twilight, and a...
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