January 9, 2019

How many bacteria are inside my body right now?

Your body is built of trillions of itty-bitty living blobs, called cells, that work together to make you. But for every cell you call your own, […]
January 9, 2019

What are the benefits of bacteria?

Your gut reaction might be to wrinkle your nose at the thought of bacteria inside your guts, but it turns out that many so-called good bacteria […]
January 9, 2019

Why do I sneeze?

Sometimes dust, flakes of dead skin, pollution, microbes, or your own booger buildup from a cold find their way into your nose’s air passages. When mucous […]
January 9, 2019

How do I sneeze?

You don’t have to do anything. Sneezing is a lightning-fast involuntary reaction, in which your chest, stomach, throat, and face muscles work together to blast particles […]