From London to Sydney in just four and a half hours – this is the dream of the UK Space Agency (UKSA). A special propulsion system that is intended to make this flight at supersonic speed possible is targeted for the 2030s.

In the laboratory, scientists have created miniature brains whose cells interact with each other and produce electrical activity. But just how much do the models have to do with the original?

Scientists in Singapore have developed a low-cost device that can harness the energy of light breezes and store it as electricity.