LifeWe have the power to halt evolution itself – should we use it?Unwanted mutations are undermining food security and medicine. Controlling such evolution is now possible and tempting, but there will be unintended consequencesLeader
HealthAllergy explosion: What causes allergies and how to avoid them We've all heard that being too clean can cause allergies, or exposure can help you beat them. Most advice doesn't stand up, but there are things that do seem to work Features