Harriet Bradshaw finds out how AI is being used to help solve an art history mystery.

Andrew Rogers explores new tech trials helping people stay underwater for longer.

How to say goodbye and pay tribute to a loved one – with a hologram.

Workers train AI to identify everyday objects by labelling items in photos and videos.

A sleep apnoea wearable. Plus, tech to free up hospital beds and a breast health app.

Crumbling roads and other hazards – can AI make our streets safer?

The tech giant says it hopes to slowly expand the service as the demand for ultra-fast deliveries grows.

Meta said Ofcom’s calculations were “disproportionate”; the regulator said it would defend its position.

The platform said it would remove end-to-end encrypted messages, a major U‑turn by parent company Meta.

While only rolled out to some users, the feature’s bizarre AI-generated descriptions were shared widely.