Why Do Humans and Some Animals Sneeze?

SciShow host Michael Aranda explains why humans and some species of animal sneeze. The simple and long-standing explanation is that a sneeze clears irritants out of the nose and sinuses, but Aranda points out that there might be more to it than that.

Glen Tickle
Glen Tickle

Amelia's dad. Steph's husband. Writer, comedian, gentleman. Good at juggling, bad at chess.