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
MindMichael Pollan: 'Consciousness is really under siege'A psychedelic experience set author Michael Pollan on a quest to understand consciousness in his new book A World Appears. He tells Olivia Goldhill what he learned – and how it changed himCulture