When a white blood cell finds a germ, it latches onto it. Then it changes its shape to surround the germ. You can imagine the ...

So when you sneeze, you're able to spray as much as a water bottle's worth of mucus into the air around you. It shoots out of your mouth in the form of moist, germ-infested sheets, traveling at up ...

For younger ages, the footage of sneezing and snot provide good discussion topics on the spread of disease and could inspire public health style posters of the style 'coughs and sneezes spread ...