Mirrors in space and underwater curtains: can technology buy us enough time to save the Arctic ice caps?

A conference in Cambridge this week will explore a raft of geoengineering ideas to cool the region down – and attempt to address the fears of those who argue the risks outweigh the benefits

Crashing out: how gen Z adopted the perfect term for our unstable era

Overwhelmed by stress and social media, young people are finding new language to describe the inevitable irritation and anger that ensue

Teenagers who report addictive use of screens at greater risk of suicidal behaviour, study shows

Experts find link between compulsive use of social media, phones and video games and mental health problems

The big idea: should we embrace boredom?

Smartphones offer instant stimulation, but do they silence a deeper message?

‘People didn’t like women in space’: how Sally Ride made history and paid the price

Ride was the first US woman in space – but a National Geographic documentary looks at how she was forced to hide her queerness to succeed

Astronaut mission postponed amid leak concerns at International Space Station

Chartered spaceflight for India, Poland and Hungary’s first astronauts in decades delayed indefinitely

Researchers create AI-based tool that restores age-damaged artworks in hours

By slashing time and cost of restoration, technique could be used on paintings not valuable enough for traditional approach

Richard Garwin obituary

Physicist and US government adviser who designed the first working hydrogen bomb

Magnetic 3D-printed pen could help diagnose people with Parkinson’s

Study utilises handwriting-generated electrical signal to measure tremor in tandem with AI machine learning

New AI test can predict which men will benefit from prostate cancer drug

Artificial intelligence tool determines best candidates to take abiraterone, which can halve risk of death from disease

SpaceX Starship breaks up over Indian Ocean in latest bumpy test

Ship flew farther than on two previous attempts but sprang leaks and began spinning before re-entering atmosphere out of control

Alan Turing papers saved from shredder could fetch £150,000

Documents including signed copy of 1938 PhD dissertation to be auctioned after they were nearly thrown out

Most AI chatbots easily tricked into giving dangerous responses, study finds

Researchers say threat from ‘jailbroken’ chatbots trained to churn out illegal information is ‘tangible and concerning’

Bankrupt DNA testing firm 23andMe to be purchased for $256m

Drugmaker Regeneron Pharmaceuticals’ capture of genetic testing firm in bankruptcy auction raises privacy concerns

AI can be more persuasive than humans in debates, scientists find

Study author warns of implications for elections and says ‘malicious actors’ are probably using LLM tools already