HealthThe weird truth about calories and why food labels get them so wrong A new understanding of nutrition and how our bodies use calories from food explains why balancing diet and exercise is much more complicated than you might think Features
EnvironmentStudents ate less meat for three years after a talk on climate impact In a randomised trial, students who listened to a single 50-minute talk on the health and climate impacts of meat ate 9 per cent fewer meat-based meals over the next three years News