Mumsnet has launched a campaign to introduce a ban on social media for under-16s featuring health warnings in the style of those on cigarette packets.
家庭场景中的“天工”机器人。受供者供图
A two-pronged strategy directs drug-delivering nanoparticles to the pancreas — and shows promise in animal models of serious pancreatic diseases.
append has to allocate one. Because it doesn’t know how big the