Which get trapped by a layer of sticky snot that lines your nostrils. It's like fly paper for the flu. And as you continue to breathe, air hardens the mucus into a solid booger, a gooey prison ...

Another person tweeted, “This video of Taylor Swift eating her boogers and throwing snot on the stage keeps popping up.

The purpose of nasal mucus is to stop potentially harmful particles and pathogens found within the air from being inhaled.

Which get trapped by a layer of sticky snot that lines your nostrils. It's like fly paper for the flu. And as you continue to breathe, air hardens the mucus into a solid booger, a gooey prison ...

A whole world of biomass floats in the boogers of a whale’s exhaust, and it’s a biologist’s dream to explore it. Whale snot carries everything from DNA samples to hormone signatures.