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