Why I regret using 23andMe: I gave up my DNA just to find out I’m British

I gave away my genetic information to a now imploding company for results that inspired nothing but ambivalence

Neon cities, cyber nightmares and yum cha: Cao Fei, the visionary artist charting China’s past and future

For her first major solo show in Australia, the Guangzhou-born artist has turned the Art Gallery of New South Wales into a bustling cityscape

Australia is connected to the world by cables no thicker than a garden hose – and at risk from sharks, accidents and sabotage

Last month two Baltic Sea cables were damaged and experts say Australia’s cables are not immune from threats. How worried should we be?

‘Child poverty has got a lot worse’: outgoing charity boss lambasts Tory failures and social media giants

Peter Wanless of the NSPCC calls for more preventive action on child poverty, a ban on ‘morally repugnant’ smacking and favours guardrails online rather than bans

16th-century graffiti of Tower of London prisoners decoded for first time

Once listed as ‘illegible’, the words of inmates held in bleak fortress are revealed by latest technology

UFO expert not ruling out Russia or China links to drones seen at RAF bases

Sightings over three airbases in East Anglia could relate to foreign powers’ concerns about possible nuclear weapons

If AI can provide a better diagnosis than a doctor, what’s the prognosis for medics?

Studies in which ChatGPT outperformed scientists and GPs raise troubling questions for the future of professional work

Instagram actively helping spread of self-harm among teenagers, study finds

Researchers say parent company Meta is failing to remove explicit images on the social media site

AI expert Marietje Schaake: ‘The way we think about technology is shaped by the tech companies themselves’

The Dutch policy director and former MEP on the unprecedented reach of big tech, the need for confident governments, and why the election of Trump changes everything

‘His Facebook was a shrine to my face’: the day I caught my catfish

I stumbled on a profile with my picture as the photo. What was this man doing with my identity? I set out to track him down …

‘It’s almost dirty money’: the older generation of crypto investors benefiting from the ‘Trump pump’

Some say they used bitcoin or Dogecoin to help reach goals such as affording to have a child or buy a house

Australian-style social media ban for under-16s ‘a retrograde step’, say UK charities

Child safety experts say similar move in Britain would penalise young people for the failings of tech companies

Alder Hey children’s hospital explores ‘data breach’ after ransomware claims

Screenshots purporting to be from systems of Liverpool NHS health facility have been posted on dark web

The best Black Friday deals on the products we love: Apple, clothes steamers and the Always Pan

We recommended them in the Filter; now we’ve sifted through all the offers to find the genuinely good discounts on our favourite products – updated for Black Friday

‘Teenage girls are feeling vulnerable’: fears grow over online beauty filters

Studies suggest children are having their self-esteem harmed by filters that ape the effects of cosmetic surgery