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An X-ray skull with coloured brain and neurons

Mind

What I’ll be doing to help detox my brain in the new year

We have only just started to understand how our brains clean themselves, but columnist Helen Thomson finds promising evidence for how to boost this process

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Technology

Quantum computers turned out to be more useful than expected in 2025

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Space

Cosmology’s Great Debate began a century ago – and is still going

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Screengrab of SORA 2 generated image featuring Sam Altman, referencing Skibidi Toilet

Technology

This year we were drowning in a sea of slick, nonsensical AI slop

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3D6BBB4 Comet Lemmon photographed from northern Italy on 26th October 2025.

Space

Comets were on fire this year – for better or worse

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T0DKNR Lake Atitlan Guatemala

Health

How I learned to keep my brain in better repair this year

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Humans

2025 was chock full of exciting discoveries in human evolution

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Many human mannequins

Life

Could the super-rich be cloning themselves? And why would they?

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Physics

Why quantum mechanics says the past isn’t real

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Cold-water swimming has benefits for the brain as well as the body

Mind

Cold-water swimming has benefits for the brain as well as the body

There is a growing body of research on the physical benefits of going for a dip in chilly water, but now researchers are starting to find that cold-water swimming may also be reshaping our brains for the better in lasting ways

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Space

Why dark matter is still one of the biggest open problems in science

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Technology

Imagining a future where smart glasses allow 'AI slop' to be avoided

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Physics

The forgotten women of quantum physics

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Society

Is the future of education outside universities?

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