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
LifeAdrian Tchaikovsky: 'I try and do interesting aliens' As the science fiction author publishes the latest novel in his Children of Time series, Children of Strife, he talks to Alison Flood about mantis shrimp, the pleasures of sci-fi and why empathy is so important in his writing Culture