With batteries still too heavy, start-up plane makers are exploring hybrid options for new aircraft.

Huge investment is going into data centres for AI, but why are they so expensive?

How did E. coli become such an essential tool for scientists and will anything replace it?

More people are turning to AI for help with their relationships, but is that a good idea?

The dairy industry rallies and start-ups emerge thanks to the fashion for high-protein foods.

Smaller Indian towns are becoming centres for training and correcting artificial intelligence models.

Companies are offering tech they say can accurately test the health of batteries in used EVs.

Plastic recycling plants in Europe are being shut as they struggle to find a business model

Entrepreneur Talifhani Banks has bought a modern delivery system to smaller firms in South Africa.

Railway operators have new options for electric trains including getting rid of locomotives altogether.