“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, an area stretching from below the chest toward the...
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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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You walk into a café you have never visited. The tables, the light from the window and the conversation at the next table suddenly feel uncannily familiar. For a few seconds, there is an ove...
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When George Herbert, the 5th Earl of Carnarvon, died in Cairo on April 5, 1923, the timing was almost too perfect for a sensational story. Only months earlier he had stood with archaeologist...
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Somewhere on Earth, while you read this sentence, babies are being born and people are dying. Others are crossing national borders, changing the population of one country without changing th...
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A dog stops halfway through a walk, lowers its head and begins grazing with the concentration of a miniature cow. For many owners, what happens next seems obvious: the dog must have an upset...
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Near the heart of the Milky Way lies a cloud with a reputation that sounds invented for a science-fiction cocktail menu. Sagittarius B2 contains alcohol. It also contains ethyl formate, an o...
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From the road near Fish Lake in central Utah, Pando looks like an ordinary mountain forest. Thousands of pale trunks rise from the ground. Their leaves tremble in the slightest breeze, turni...
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Quantum entanglement is often introduced with a sentence that sounds like science fiction: two particles can be linked so deeply that changing one instantly changes the other, even if they a...
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A dashboard can be perfectly accurate and still tell the wrong story. Traffic rises 28 percent, engagement improves, impressions reach a record high and the chart turns reassuringly green —...
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