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 instructor mentioned shoes. Maybe it simply sounded pl...
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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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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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Taking a screenshot is one of the smallest computer skills imaginable — right up until you switch from a Mac to Windows, buy a keyboard without an obvious Print Screen key, or need to captur...
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The sky is so reliably blue on a clear day that the color can feel like a property of the atmosphere itself, as though Earth were covered by an enormous blue ceiling. It is not. Air is essen...
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Look down at almost any laptop, desktop keyboard or smartphone in the English-speaking world and the first six letters are the same: Q-W-E-R-T-Y. The arrangement feels so inevitable that it...
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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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If Mars can come within roughly 55 million kilometers of Earth, why does a spacecraft sent there travel something closer to 480 million kilometers — and spend around seven months doing it? T...
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Science-fiction space battles have trained us to expect a particular soundtrack: engines roar, lasers crack and exploding spacecraft detonate with a cinematic boom. Put the same battle in th...
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You are almost asleep when the floor seems to disappear. For a fraction of a second, your body feels as though it has stepped off a ledge. A leg kicks, an arm jerks or your whole torso jumps...
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