Students see light but locals fired up by smoking ban plan Cambridge could follow Dublin's lead to become a 'smoke-free' city but there will be fierce opposition.
When mimicry saves lives The public is wary of non-human organ donors but a genetic modification to pig tissues could shorten transplant queues, argues Ian Wilmut.
Bottom line on obesity Body size is largely inherited, a fact ignored by a recent health committee report, writes Vivienne Parry.