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 is easy to forget how strange it is. The alphabet...
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Ask a modern AI whether it is frightened, lonely or aware of its own existence and it may produce an answer that sounds uncannily introspective. It can discuss its “thoughts,” describe imagi...
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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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There is a moment at almost every birthday party when the room changes. The lights dim, a cake appears, tiny flames tremble above the icing and everyone waits while one person silently makes...
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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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It often begins so subtly that you wonder whether you imagined it: a tiny flutter under one eye, a faint pulse in the eyelid, then another. A few minutes later you are staring into a mirror,...
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There are few moments quite like looking into the toilet and discovering that something which is normally brown has turned unmistakably green. It is the kind of question many people would ra...
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A cat is calmly eating from its bowl. While its attention is elsewhere, someone quietly places a cucumber on the floor behind it. The cat turns, sees the vegetable and suddenly launches itse...
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