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
HumansThe untold story of our remarkable hands and how they made us human The evolution of human hands is one of the most important – and overlooked – stories of our origin. Now, new fossil evidence is revealing their pivotal role Features