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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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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The internet contains billions of websites, streams enormous quantities of video, connects data centers across continents and crosses oceans through cables thousands of kilometers long. So i...
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Type “What is my IP?” into a search engine and the answer usually appears before you even reach the first result: a string of numbers, or sometimes numbers and letters, identifying the inter...
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The sky is so reliably blue on a clear day that the color can feel like a property of the atmosphere itself, as though Earth were covered by an enormous blue ceiling. It is not. Air is essen...
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There are few moments quite like looking into the toilet and discovering that something which is normally brown has turned unmistakably green. It is the kind of question many people would ra...
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Open the Voynich Manuscript and almost everything about it looks tantalizingly close to comprehension. Lines of neat handwriting run from left to right. Words are separated by spaces. Paragr...
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A thirsty tomato plant can be surprisingly noisy. Not to us: stand beside it in a greenhouse and you will probably hear nothing beyond leaves rustling and the ordinary sounds of the room. Bu...
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Few wildlife events are as disturbing as a whale stranding. An animal exquisitely adapted to life in deep water suddenly lies helpless on a beach, sometimes alone and sometimes alongside doz...
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Put a slice of aged cheddar in a hot pan and things can become unpredictable. It may soften beautifully, but push the temperature too far and orange oil can pool around clumps of tightening...
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