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Stay informed with commentary and opinion pieces on the latest issues in science, technology, health and the environment, written by expert New Scientist journalists and world-leading researchers and thinkers.

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Technology

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

This Changes Everything columnist Annalee Newitz on how AI-generated content went mainstream in 2025

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

Space

Comets were on fire this year 鈥� for better or worse

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T0DKNR Lake Atitlan Guatemala

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

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Protesters gather during a ???Rally for Science,??? against cuts to science and research funding outside the Lincoln Memorial on the National Mall in Washington DC, on Friday, March 7, 2025. Elon Musk???s Department of Government Efficiency (DOGE) and the Trump Administration have severely cut funding for disease and biomedical research amidst emerging threats to public health. (Photo by Aaron Schwartz/Sipa USA)

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Science still produced many wonders in 2025 despite being under siege

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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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Life

Stop treating your pet like a fur baby 鈥� you’re damaging its health

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Lot of vaccine glass vials arranged in a rows on blue background, 3d rendering illustration.; Shutterstock ID 1906552987; purchase_order: -; job: -; client: -; other:

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Human challenge trials have never been more popular

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Physics

Why quantum mechanics says the past isn鈥檛 real

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Mind

Can viral relationship tests really tell you about your relationship?

Is there any science to viral relationship tests like the bird test, the orange peel theory and the moon phase test? Emily Impett, a professor of psychological and brain sciences at the University of Toronto, has the answers

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Mind

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

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Space

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

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COP30: The UN climate summits are no longer fit for purpose

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Mind

Why memory manipulation could be one of humanity’s healthiest ideas

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