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 from the sky. It sounds like folklore, a biblical...
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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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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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Ask whether snakes have legs and the obvious answer seems to be no. A cobra, viper or grass snake has no arms, no feet and no visible limbs at all. Yet the evolutionary answer is more intere...
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Put a glass of water near a cat and it may drink calmly. Turn on a faucet and the same cat might become fascinated, batting at droplets for minutes. Lower it into a bathtub, however, and you...
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A penguin standing on ice looks as though someone designed a bird with a torso, two feet and almost nothing in between. Its legs seem impossibly short, and when it starts walking, the famili...
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Artificial intelligence used to be the sort of technology most people encountered without thinking about it. It filtered spam, ranked search results, recommended movies and helped cameras re...
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Watch a turkey closely and its stare can seem almost unnervingly steady. Its eyes sit high on the sides of its head, scanning the surroundings while the bird walks, feeds and watches for dan...
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Dog owners become experts in noticing small mysteries. One week the mystery is a dog that seems unable to stop licking its front paws. The next it is the same animal stepping onto the lawn a...
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