Known Unknowns

10 Items That Fly Under My Radar

Things most everyone else knows that I miss

Mysid; derivative of work by User:Clipper, CC BY-SA 3.0 <http://creativecommons.org/licenses/by-sa/3.0/>, via Wikimedia Commons

I consider myself reasonably well-informed. Still, I always find things others understand intimately that fall beneath my radar. Am I so far removed from the cultural zeitgeist that the world is passing me by?