Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

Boogers mostly contain nasal mucus, or snot. As the mucus dries, it turns into a hardened booger. Share on Pinterest At some point, we’ve all had a booger dangling from our nose or quickly grabbed for ...

Young children not only often pick their noses, but sometimes even eat the boogers on their fingers. In fact, the act of eating boogers has been observed not only in humans but also in other primates, ...