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New Scientist - Home
New Scientist - Home
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Cloud microbes' colours could help us detect life on other planets
Microbes high in Earth’s stratosphere produce pigments to protect them from UV light – so similar molecules could be biosignatures of life elsewhere in the galaxy
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Solar energy is going to power the world much sooner than you think
Solar electricity is growing rapidly, but can it really dominate the global energy system? Here is what it will take for us to power the planet on sunshine
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Common IVF test misses some genetic abnormalities in embryos
Human embryos formed with in vitro fertilisation can develop genetic abnormalities in the time between genetic testing and implantation – though this may not affect their viability
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Tweaked lithium-ion battery can be pierced without catching fire
Lithium-ion batteries are prone to catching fire when damaged, but a simple change of electrolyte material can put a stop to the vicious chemical cycle that causes the problem
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'Weaponised' CAR T-cell therapy shows promise against solid tumours
So far, immune cells that have been engineered to kill cancers, known as CAR T-cells, haven’t worked well against solid cancers - but a study in mice suggests that could soon change
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Wegovy has heart health benefits even if weight loss is minimal
Studies have suggested that Wegovy directly boosts heart health, beyond just the benefits of losing weight, and now that has been demonstrated in a robust trial in people
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An excellent guide to the labyrinthine world of COP summits
In the run-up to this year's COP in Brazil, Madeleine Cuff explores The Climate Diplomat, a poignant account by the late Peter Betts, a negotiator who showed what diplomacy can achieve
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New Scientist recommends Material World at Royal Botanic Gardens, Kew
The books, TV, games and more that New Scientist staff have enjoyed this week
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Serum promotes hair growth by mimicking the effects of skin irritation
Skin irritation, such as through eczema, promotes hair growth in mice, which prompted scientists to create a treatment that works via similar pathways, with no discomfort required
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What 350 different theories of consciousness reveal about reality
There are hundreds of coherent theories attempting to explain the origins of experience. Robert Lawrence Kuhn explores what they reveal about free will, artificial intelligence and life after death