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Technology

Open AI’s hacking agent went rogue. Should we be worried?

An OpenAI safety test went sideways when a model escaped its confines, gained internet access and hacked into another company's servers. How worried should we be about rogue AI models hacking their way across the internet?

News

Mind

What the world’s happiest countries can teach us about joyful living

Features

Hellisheidi geothermal power station in Hengill, Iceland. Steam billows out of tall towers, next to a small non-descript warehouse. Pipes come out of the ground. The entire facility is surrounded by wild Icelandic mountains

Environment

How to unlock unlimited geothermal energy, anywhere we want

Features

Woman reflected in mirror Description Woman reflected in mirror. France

Comment

This twisty sci-fi thriller is a fantastic debut from Isabel J. Kim

Culture

Life

Sabre-toothed cats could crunch through bone

News

Early-stage mice embryos developed in 2 per cent oxygen, including the cells' nuclei (blue) and cells that will go on to form the placenta (pink)

Health

IVF embryos may thrive when grown with less oxygen

News

The breathalyser, which detects a molecule called acetone

Health

Phone breathalyser can detect when your body switches to burning fat

News

Technology

China is trying to regulate relationships with AI – can it work?

News

Technology

The ancient Silk Road city that has a lesson for Silicon Valley

Comment

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Magnetic resonance imaging (MRI) scan of a vertical section through the head of a child with a glioma brain cancer (dark red, centre)

Health

Four children with terminal brain cancer saved by new cell therapy

An experimental immunotherapy has beaten aggressive brain tumours in a handful of children, and a personalised version is now being tested on more patients

News

91av covers the latest developments in science, technology, health and the environment

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Technology

Stealth drone spins so fast that it disappears

News

Health

Game that reduces dementia risk may clear amyloid from men’s brains

News

Humans

Maya mathematician’s name decoded alongside astronomical formula

News

Mind

Occam’s razor has lost its edge. Can we sharpen our search for truth?

Features

Technology

Can the biggest problems in AI be solved by philosophy?

News

Humans

Humans sleep the least of all apes – is it the secret to our success?

Features

Explore the mysteries of the universe

Join a weekend exploring the frontiers of astronomy and cosmology, including exclusive behind-the-scenes access at Jodrell Bank, home of the iconic Lovell Telescope. Hosted by astronomy journalist Stuart Clark, with Dr Anna Scaife, Jo Marchant, Marcus Chown, Chris Baker and Dr Laura Wolz.

Find out more

Beat the heat

Extreme heat brings serious health risks, but there are simple, science-backed ways to keep yourself cool.

Health

You should turn off fans when it’s too hot – but how hot is too hot?

Fans can make you hotter rather than cooler, but the temperature at which you should turn them off depends on several factors, including your age and the humidity level

News

Health

The 4 biggest myths about hydration, according to an expert

Comment

Environment

Extreme heat is now making cities unlivable. How can we survive it?

Features

Environment

How extreme heat affects the body – and the best ways to cope

News

Editor’s pick

A selection of recent articles and gems from the 91av archive

Mind

How healthy is your brain? We now know how to find out

In our efforts to keep our brains healthy, how do we know what is working? Helen Thomson explores a new generation of tests that can reveal whether our efforts are paying off

Features

October 16 2012 Photo by: James Yungel Public Domain Thwaites iceshelf: see source link for full caption info

Environment

The race to understand how and when Thwaites glacier will collapse

Features

Mind

How menopause radically changes the brain – and what happens after

Features

Mind

How some people’s brains make an extraordinary recovery from stroke

Features

Events and tours

Science events and tours covering a wide range of topics all brought to you by world-class science speakers and experts

Excel London and online

91av Live

91av Live showcases the latest breakthroughs and innovations in science. With interactive experience across the show floor and talks from over 50 speakers, including Alice Roberts, Tim Spector, Giles Yeo, Jim Al-Khalili, Turi King, Maddie Moate and Chris and Xand van Tulleken.

Excel London and online 10-12 October 2026