Science and Nature

What is Your Snot Saying?

Reactions is a show that uncovers the chemistry all around us. We answer the burning questions you’ve always wanted to ask, blending the worlds of science and every-day life.

Season 4 Episode 2 | 2m 40s | CC

We explore the science behind your snot. There's a lot of chemistry going on in your phlegm. This germ-fighting goo contains cells and chemical compounds that help us power through a cold. You can also think of mucus as a traffic light for your health - what turns up in our used tissues can be a useful clue about the inner workings of our immune systems.

Reactions