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 may suddenly discover just how many claws one sma...
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Space is famously cold. The number repeated in textbooks, documentaries and trivia lists is about 2.7 kelvin, or roughly −270.4 °C — less than three degrees above absolute zero.That number i...
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Ask a child to draw the Sun and there is a good chance they will reach for a yellow crayon. Search for a Sun emoji and you will find the same convention. For centuries, artists have painted...
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Imagine falling feet-first toward a black hole. At first, if the black hole were isolated and you began far enough away, the experience would not feel supernatural. You would be in free fall...
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Suppose you buy a brand-new one-terabyte SSD and place it on an impossibly precise scale. Then you fill every available byte with photographs, films, documents and music. Has the drive becom...
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It is one of those rules that millions of Americans seem to remember learning without remembering who taught it: you cannot drive a car barefoot. Maybe a parent said it. Maybe a driving inst...
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The internet has produced plenty of suspiciously convenient health claims, but few are as appealing as this one: every time you fart, you supposedly burn 67 calories. Repeat the process ofte...
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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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Every email, video stream, security-camera frame, cloud backup, online purchase, AI response and sensor reading leaves a digital trail. Multiply those events across billions of people, phone...
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Every few years, a headline or social-media post seems to announce the same piece of cosmic good news: Pluto is a planet again. For anyone who learned the old nine-planet Solar System in sch...
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