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Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with New Scientist鈥檚 exclusive in-depth articles, interviews and long reads.

An illustration of CAR T-cell therapy treating tumour cells

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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鈥檛 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

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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: "I took this last Sunday ahead of anti-cyclonic gloom, mist and fog and was able to confirm it through aurora reports that evening." Working with challenging dark sky photography, Josh stacked ten images taken at the scene and applied minor contrast and saturation adjustments to reveal faint detail of the comet???s extended tail.

Space

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

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Physics

Could gravity produce quantum entanglement if it鈥檚 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)

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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

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Technology

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

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Chris Packham and poodle
Life

Chris Packham: My dogs saved my life

Video

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Antidepressants vary widely in their physical side effects

Antidepressants can be very effective, but they also come with side effects that vary from one drug to the next, supporting the idea of more personalised prescriptions

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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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Space

A distant comet is forming new rings while we watch in real time

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Breastfeeding causes a surge in immune cells that could prevent cancer

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