A view of Venus, black dot at top center, passing in front of the sun during a transit in 2012. A quarter of Americans questioned failed to answer correctly the most basic questions on astronomy. AP hide caption

itoggle caption AP

Rick Harrison and his family run a 24-hour pawn shop in Las Vegas. Erik Kabik/erikkabik.com/History Channel hide caption

itoggle caption Erik Kabik/erikkabik.com/History Channel