The best place to find out what’s new in science – and why it matters.

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In this week’s issue: Neuroscience is finally helping to understand anorexia’s grip on the brain, a hidden population of moons reveal our solar system's violent history and how to distinguish between typical brain ageing and cognitive decline. Grab a copy in shops now or download our app for digital editions. newscientist.com/issue/3599/
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Our understanding of the electromagnetic spectrum goes back to Isaac Newton, but astronomers are still finding new ways to employ it. Astrophysicist Emma Chapman explores how much these invisible waves can reveal to us about the cosmos – and whether ... newscientist.com/article/252…
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A diverse range of bird species has been recorded at a solar park on rewetted peatland in Germany, suggesting that combining energy generation with habitat restoration could benefit biodiversity, the climate and the economy newscientist.com/article/252…
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Global weather agencies have declared that El Niño has begun, and models show it is more likely than not to be a "super" El Niño. The climate pattern boosts extreme weather around the world, and could lead to record temperatures newscientist.com/article/253…
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Climate models suggest a small nuclear war in the tropics would do even more damage to the ozone layer than a larger nuclear war in more northerly latitudes, increasing exposure to dangerous ultraviolet radiation all over the world newscientist.com/article/252…
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In the face of loneliness, many people are turning to AI chatbots for companionship – but research shows it can’t replace human connection. Columnist David Robson explores how beneficial it can be to talk to strangers, with evidence-based tips on how to... newscientist.com/article/253…
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Drill cores at the impact site of the Chicxulub asteroid show evidence that, alongside widespread destruction, the collision created a vast underground ecosystem filled with hot water that sheltered microbial life newscientist.com/article/252…
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From dementia to heart attacks, hearing loss has been linked to a wide range of effects across the body, and the condition is on the rise. Fortunately, we're learning how best to safeguard this crucial sense and how we might be able to reverse the damage newscientist.com/article/252…
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