Health The high cost of CRISPR therapy will stop it getting to most patients The world’s first CRISPR therapy may be approved soon, but sadly it is unlikely to be affordable for hundreds of thousands of people whose pain it could end News
Health Wim Hof's cold therapy for good health lacks robust evidence Also known as The Iceman, Wim Hof's claims that his breathing and cold exposure methods will "keep your body and mind in its optimal natural state" lack good scientific evidence News
Mathematics Should all mathematical proofs be checked by a computer? Proofs, the central tenet of mathematics, occasionally have errors in them. Could computers stop this from happening, asks mathematician Emily Riehl Comment
Comment See the remarkable photos up for Astronomy Photographer of the Year From a solar flare to the Jellyfish Nebula, these are some of the photographs in the running for the annual competition organised by the Royal Observatory in London, UK Regulars
Life How do captive animals really feel, and can we make them happier? We are finally figuring out the subtle ways that farm and zoo animals reveal their emotional states, from anxiety to optimism and even joy. The insights are also revealing some surprising ways we can improve their lives Features
Comment The Good Virus review: Could viruses cure deadly infections? Tom Ireland's compelling and original book makes a strong case for revisiting phage therapy – the idea of fighting bacterial infections with viruses Culture
Space How to spot Jupiter's icy moons Jupiter’s Galilean moons are promising places to look for life. Now is a great time to see them, says Abigail Beall Regulars
Academia’s love affair with flowers hasn’t been the same since Freud Feedback explores the little-studied subject of polymorphic perversion, in particular our feelings about plants that look like "female lips" and "swaddled infants" Regulars