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Environment

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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Health

Common IVF test misses some genetic abnormalities in embryos

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Technology

Tweaked lithium-ion battery can be pierced without catching fire

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An illustration of CAR T-cell therapy treating tumour cells

Health

'Weaponised' CAR T-cell therapy shows promise against solid tumours

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Health

Wegovy has heart health benefits even if weight loss is minimal

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A skywatcher has captured a jaw-dropping view of a comet from Somerset. Josh Dury used clever camera techniques to document the scene from the Mendip Hills as Comet C/2025 A6 (Lemmon) streaked through the sky. The comet is currently brightening in the night sky and can be seen over the UK as it approaches its closest point to Earth on October 21. He said:

Space

See a spectacular shot of a once-in-a-millennium comet

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Physics

Could gravity produce quantum entanglement if it’s not fully quantum?

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The effects of eczema-like irritation on the hair growth of mice over 20 days (bottom row), compared to shaved mice without this irritation (top row)

Health

Serum promotes hair growth by mimicking the effects of skin irritation

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Technology

Google says its quantum computer can reveal the structure of molecules

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Environment

Gene-edited pigs resistant to swine fever could boost animal welfare

Classical swine fever reduces productivity and harms animal welfare, but pigs have now been genetically edited to make them completely resistant to the disease

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Technology

Colour e-paper screen offers high-res video with low energy use

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Health

Antidepressants vary widely in their physical side effects

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Environment

Exclusive: Climate scientists expect attempts to dim the sun by 2100

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Physics

Ultracold atoms could test relativity in the quantum realm

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