UK watchdogs urged to tackle suicide social media content after death of girl, 14

Adriana Retyte took her own life after viewing ‘high-risk’ material on the video-sharing platform TikTok

Don’t be fooled. The AI that was supposed to save us time is doing just the opposite

The government says it can transform the state with AI, but it is no match for the resulting stream of machine-generated slop. And we all pay the cost, says Guardian columnist Gaby Hinsliff

New AI tool can predict cancer survival by a single patient selfie, study suggests

System can estimate a person’s biological age and predict chances of cancer survival from a single photograph

The one change that worked: I deleted Instagram – and embraced the joys of a truly private life

I’d become obsessed with appealing to my invisible audience. But since I ditched the app a year ago, my quieter moments have taken on brilliant new meaning

Kylie Minogue songs already used to train AI as tech firms ‘strong-arm’ Australian government, music body warns

Of the dozens of countries approached to water down their laws, Australia appears to be the only one considering it, publishers’ group says

Microsoft pulls out of AI datacentre project in Essex over power supply concerns

Development by UK firm Nscale heralded by ministers as largest of its kind in country loses anchor tenant

World leaders must wise up to threat of cyber-attacks or rogue fridges will be least of their worries

Global cooperation seems unlikely despite AI increasing the risk of digital fraud and the need to protect the financial system

Margaret Hamilton obituary

Pioneering software engineer whose work was critical to the Apollo moon landings

Fake Linda and me: the Agatha Christie-worthy mystery of the fraudster who stole my byline

How a string of bizarre events led writer Linda Geddes to don her sleuthing cap and dig into a world of shadowy impersonators

Palantir patient data tech rejected by many NHS trusts in England

Exclusive: health bodies across country say controversial US firm’s data platform no better than systems already in use

We are teaching children maths they will never use. Isn’t it better to help them speak fluently?

The education secretary is right to focus on what students need most: the ability to express themselves. As for maths, grab a calculator, says Guardian columnist Simon Jenkins

How an accelerating Earth led experts to adopt the leap hour

International delegates agree leap second no longer tenable, but first leap hour not likely to happen for thousands of years

Cyril Hilsum obituary

Government physicist whose radar research paved the way for flat-panel TV and computer screens based on liquid crystals

Poland’s ascent from communist state to top 20 economy reverses the brain drain

In the final part of our series on the country, Poles tell how wages have soared – along with the cost of living

Forgotten Island review – best friends forever trapped in frantic DreamWorks animation

This over-controlled adventure never takes a breath or a moment to let its characters come to life