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Mathematics

Mathematicians found a guaranteed way to win the lottery in 2023

A pair of mathematicians studied the UK National Lottery and figured out a combination of 27 tickets that guarantees you will always win, but they tell 91av they don't bother to play

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Earth

China started drilling ultra-deep holes in 2023 in a hunt for oil

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Technology

The best robot photos of 2023, from fashion shows to Hollywood strikes

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MRI scans of a healthy brain (left) and a brain with amyloid plaque deposits (right), a sign of Alzhiemer's disease

Health

2023 saw a cautious hope for Alzheimer's treatment but doubts remain

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Life

The best animal photos of 2023, from hyenas to southern stingrays

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Environment

The best photos of the natural world in 2023

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This carbon nitride is nearly as hard as diamond

Chemistry

Material made of carbon and nitrogen is nearly as hard as diamond

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Space

The biggest science news stories of 2023 as chosen by 91av

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GTG9F9 Hot mulled wine and book in woman hands. Relaxing in front of burning fire in the cold winter day.

Chemistry

Can science explain why some drinks and foods are a perfect match?

Regulars

Alastair Reynolds: An exclusive short story for 91av

Society

Alastair Reynolds: An exclusive short story for 91av

Lottie and the River is a moving vision of the future from astrophysicist turned award-winning science fiction author Alastair Reynolds

Culture

Physics

LK-99 superconductor mania swept the internet for a few weeks in 2023

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Technology

The spy balloon saga of 2023 inflated US-China political tensions

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Health

Cancer in young people is rising and 2023 saw a plan to figure out why

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Health

Wegovy and Ozempic made 2023 a revolutionary year for weight loss

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