Journeys into particle physics UCL's Jonathan Butterworth worked on the CERN Large Hadron Collider (LHC) and his area of focus is "why some things have mass". Video
SpaceZero-gravity robot cleaner could automatically sterilise the ISS Cleaning the International Space Station is laborious work, so hygiene firm GermFalcon has made a drone that works in zero-gravity to do the job instead News