VideoCan training your sense of smell help reverse cognitive decline? Restoring sensitivity to smell might not only reduce cognitive decline, it could even reverse it. ¿ìè¶ÌÊÓÆµ reporter, David Robson looks at the science Video
HealthNorovirus vaccine pill protects against winter vomiting bug An oral vaccine reduced infection risk in a trial where people were deliberately exposed to high doses of norovirus, and could also slow the spread of the pathogen ¿ìè¶ÌÊÓÆµ