When you hear the words mucus and snot, you might think of colds, snails or drooling babies. But the runny, sometimes sticky ...

When you hear the words mucus and snot, you might think of colds, snails or drooling babies. But the runny, sometimes sticky ...

Your nose is built with a fantastic gooey substance called mucus, and we produce close to a liter of it every day. I'm getting there now. Every breath you take is filled with dust, dirt ...