Health Personalised medicine is yet to deliver, but that must start to change Companies are happy to sell you personalised tracking of your biomarkers or a tailored nutrition plan, but truly personalised medicine should be able to tackle the vast differences some people have in response to the same diseases Comment
Health This doctor is on the hunt for people with first-rate faeces Elizabeth Hohmann is very interested in faeces, and spends her days sifting through stools to find those that could make the biggest difference to other people's health News
Health To halt measles' resurgence we must fight the plague of misinformation The measles vaccine has prevented 60 million deaths since 2000. So why are so many children around the world missing out on it? News
Environment Sebastião Salgado's stunning shots of the world's icy regions The late photographer's work depicting some of the world's coldest places is collected in his new book Genesis Regulars
Humans Why is childbirth so hard for humans – and is it getting even harder? Some think the rise of C-sections means that one day all births will require serious medical intervention. But a surprising new understanding of the pelvis suggests a different story Features
Environment Unexpectedly moving book makes the case for the Arctic In his lyrical book Frostlines, Neil Shea argues that we are more connected to the Arctic than we might think, says Elle Hunt Culture
Space Why Elon Musk has misunderstood the point of Star Trek As Elon Musk and Pete Hegseth talk about wanting to make Star Trek real, long-time fan Chanda Prescod-Weinstein says they've misconstrued the heart of the story Comment
Holy prosociality! Batman makes people stand for pregnant passengers Feedback is delighted by an experiment on the Milan metro system, which involved a prosthetic bump, a Batman costume and some unexpected displays of public decency Regulars