HealthWill lab-grown sperm let infertile men have children of their own? Men who do not produce sperm can’t be helped by existing fertility treatments, but a start-up is now claiming it can grow their sperm in the lab. Columnist Michael Le Page suspects this technique will have to be combined with gene editing if it is to help many men Comment
LifeGrafting trick could let us gene-edit a huge variety of plants Many plants including cocoa, coffee and avocado cannot be gene-edited but a technique involving grafting could change that, opening the door to more productive and nutritious varieties ¿ìè¶ÌÊÓÆµ