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 capture one tiny menu instead of your entire desktop.Tha...
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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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Type “What is my IP?” into a search engine and the answer usually appears before you even reach the first result: a string of numbers, or sometimes numbers and letters, identifying the inter...
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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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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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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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You are walking past a town hall, courthouse, school or government building when something looks slightly wrong: the flag is not at the top of its pole. It is hanging lower, leaving an unmis...
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A newly hatched chick enters the world with an urgent problem. It can walk almost immediately, but walking in the wrong direction could be fatal. In nature, staying near a parent means warmt...
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Dig beneath a forest and the roots are not alone. Wrapped around them, penetrating them and extending far beyond them are microscopic fungal threads called hyphae. Together those threads for...
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