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

Adrienne Murray explores how new 3D imaging is supporting heart procedures.

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?

A cyber security expert says deleting chat history could lead to a lack of accountability if things go wrong.

The voluntary recall follows an incident on 20 April where an empty Waymo car entered a flooded road in San Antonio, Texas.

Quantexa, a financial data platform, won the £175m contract to spot fraud and tax return errors.

The government said its in-house IT system was “more flexible” while meeting “high standards” of security.