High on a mountain in late spring, a patch of snow can suddenly look as though someone spilled watermelon juice across it. The surface turns pale pink, rose red or even crimson, sometimes stretching for meters across a snowfield. Explorers...
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Imagine taking the mass of a mountain and compressing it until its boundary is smaller than an atom. There would be no miniature rocky mountain inside, no visible sphere and certainly nothin...
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In daylight, the water may look ordinary — or even unappealingly reddish-brown. Then darkness falls, a wave breaks, and the shoreline suddenly flashes electric blue. Footsteps sparkle in wet...
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Few words sound more futuristic than “robot.” It belongs to Mars rovers, factory arms, humanoid machines and today's arguments about artificial intelligence. Yet the word did not originate i...
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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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Imagine two identical buildings on the same street. One has a broken window that is repaired the next morning. The other has a broken window that remains shattered for weeks. Graffiti appear...
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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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On the evening of May 17, 1884, New Yorkers witnessed a sight strange enough to compete with the bridge beneath it. A procession of circus animals moved across the East River from Manhattan...
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A solitary desert locust can spend its life trying to avoid other locusts. Put enough of them together, however, and something extraordinary begins to happen. The insects become more active,...
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Few sights make the Moon seem more theatrical than an early-autumn moonrise. A huge amber disk appears behind trees, rooftops or distant hills, looking far larger than the Moon we see later...
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