VideoGum disease and Alzheimer’s: The importance of oral hygiene The bacteria in our bodies affect our minds. Cell biologist Sim Singhrao explains how improved oral hygiene, diet and exercise can stave off dementia Video
EarthBacteria fly into the Atacama Desert every afternoon on the wind The Atacama Desert is one of the most hostile places on Earth, but new microbes arrive there every day on dust grains carried by the wind News