We rely on space for our communications, weather monitoring and security. Yet rising levels of space junk increase the risk of collisions, putting these things at risk. This week we are heading to a space lab in the UK to meet the scientists building a special waste collector that will clean up...

Powered chairs offer people with limited mobility the chance to be independent, since they can be controlled with an array of switches and pads. For some people though, unpredictable muscle spasms mean that driving can be time-consuming, stressful or dangerous. We try out a new device from...