This question has been a mystery for millennia. Turns out there’s a name for the phenomenon: photic sneeze reflex.
Plus: The mystery sound and more fun facts about the sun, or as we like to call them: sunsplanations.
Our friends at the public radio show Science Friday are looking for more cool facts about the sun. They want you to help them #ExplainTheSun. Check it out here.
Brains On! is an award-winning audio show for kids and families from American Public Media.