Science
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From Pearl Jam to Dolly Parton, how musicians’ tempos change over time
The band Pearl Jam playing in Barcelona earlier this month Kike Rincon/Europa Press via Getty Images The tempo of songs…
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Planes are under attack from GPS jamming – can we find a fix?
Air traffic controllers can track transatlantic flights’ GPS problems NATS Disruptions to GPS signals, which began near war zones in…
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Is ultra-processed food unhealthy? Here’s why no one can agree
Ultra-processed food is often high in fat, sugar and salt GMVozd/Getty Images Nutrition advice is often fickle. In the 1990s,…
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Sky Wtr: Canned water made from air and sunlight to hit US stores in September
Cans of Sky Wtr, produced by solar-powered hydropanels, will go on sale later this year in the US Madeleine Cuff…
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Quantum ‘super behaviour’ could create energy seemingly from nothing
Quantum states can be surprisingly energetic David Wall/Getty In quantum mechanics, the whole can be much greater than the sum…
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Mathematicians find odd shapes that roll like a wheel in any dimension
A 3D shape of constant width as seen from three different angles. The middle view resembles a 2D Reuleaux triangle…
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Elephants seem to invent names for each other
Two juvenile elephants greet each other in Samburu National Reserve in Kenya George Wittemyer Elephants may be the only animals…
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How materials that rewind light can test physics’ most extreme ideas
For an experiment designed to reverse time, the apparatus was surprisingly simple: little more than a tank of water. With…
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Quantum 'arrow of time' suggests early universe had no entanglement
One way to explain why time only moves forward is the quantum arrow of time, and it has major implications…
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Eclipse 2024 live: Watch the full total solar eclipse via NASA’s broadcast – latest
On 8 April, a total solar eclipse will sweep across Mexico, the US and Canada. This kind of eclipse only…
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