You mention hiking boots over dinner. The next morning, an advertisement for hiking boots appears on your phone. You never remember searching for them. The coincidence feels too precise, and an unsettling explanation immediately suggests it...
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Imagine stepping outside after a thunderstorm and discovering the road covered in frogs. Some are hopping. Others are lying in puddles or on rooftops. Witnesses insist they watched them fall...
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You see someone stretch their jaw, squeeze their eyes shut and take a long, involuntary breath. A few seconds later, your own mouth opens. Sometimes you do not even need to see the yawn: hea...
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Watch a herd of cows for long enough and the group begins to look less anonymous. Certain animals repeatedly graze near one another, rest side by side or seek each other out. Some lick and g...
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Ask the meaning of life in the right corner of the internet and there is a good chance someone will answer with a number: 42. It has become one of popular culture’s most durable private joke...
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A fish can be surrounded by water and still run out of oxygen. That sounds like a contradiction only because we tend to think of water itself as the thing fish breathe. It is not. Most fish...
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On November 20, 1969, Apollo 12 astronauts Pete Conrad and Alan Bean left the lunar surface and rejoined Richard Gordon in orbit. Their lunar module's ascent stage was no longer useful, so m...
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Look up from a truly dark place and the Milky Way appears as a pale river of light crossing the sky. That glow is produced by stars so numerous and distant that most cannot be distinguished...
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A bitcoin cannot be held in your hand. It does not represent a legal claim on a company, pay a dividend or give its owner a stream of rental income. There is no warehouse containing one bar...
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Every few years, a headline or social-media post seems to announce the same piece of cosmic good news: Pluto is a planet again. For anyone who learned the old nine-planet Solar System in sch...
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