SpaceWhat to read this week: Emma Chapman's mind-expanding Radio Universe An imaginative and compelling book reveals how radio waves help us tune in to our universe – and even search for alien civilisations, says Karmela Padavic-Callaghan Culture
HealthHow working out like an astronaut can reduce back pain and slow ageing The same principles that help astronauts stay strong in microgravity can help us all resist the slow collapse of ageing – and it’s not all about hitting the gym more Features