Science & technology

Keeping your marbles

How to reduce the risk of developing dementia

A healthy lifestyle can prevent or delay almost half of cases

On your marks

GPT, Claude, Llama? How to tell which AI model is best

Beware model-makers marking their own homework

I predict a riot

How America built an AI tool to predict Taliban attacks

“Raven Sentry” was a successful experiment in open-source intelligence

A hop, snip and a jump

Gene-editing drugs are moving from lab to clinic at lightning speed

The promising treatments still face technical and economic hurdles, though

Drums of war

How Ukraine’s new tech foils Russian aerial attacks

It is pioneering acoustic detection, with surprising success

Deep breaths

The deep sea is home to “dark oxygen”

Nodules on the seabed, rather than photosynthesis, are the source of the gas

Road safety

Augmented reality offers a safer driving experience

Complete with holograms on the windscreen

The war on AIDS

Clues to a possible cure for AIDS

Doctors, scientists and activists meet to discuss how to pummel HIV

Critical moment

AI can predict tipping points before they happen

Potential applications span from economics to epidemiology

Pied-à-lune

Astronomers have found a cave on the moon

Such structures could serve as habitats for future astronauts

Epidemiology

H5N1 avian flu could cause a human pandemic

Existing immunity and vaccines may soften its severity

Windows on the past

Freeze-dried chromosomes can survive for thousands of years

They contain unprecedented detail about their long-dead parent organisms