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.

How research linking climate change and extreme weather events is being used in lawsuits.

Shiona McCallum tours Blenheim Palace, exploring the tech aiding its restoration.

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.