Surtsey: The Icelandic Island Where Scientists Watched Life Begin From Scratch
On the morning of November 14, 1963, sailors south of Iceland saw something that looked at first like a ship on fire. A dark...
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Do Octopuses Dream? Why Their Skin Changes Color While They Sleep
A sleeping octopus can look almost ghostly. Its body lies still, its eyes close and its skin may fade toward a pale, uniform...
Why Does Snow Turn Pink? The Strange Science of Watermelon Snow
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 c...
Could a Black Hole Weigh as Much as a Mountain but Be Smaller Than an Atom?
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...
Why Do Some Beaches Glow Blue at Night? The Science of Bioluminescent Waves
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. Foot...
Where Does the Word “Robot” Come From? The Surprising Story Behind a Czech Word
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...