Why People Believe Weird Things - Michael Shermer at TED

"Skeptic Magazine founder Michael Shermer takes us on a hilarious romp through the strange claims we humans put forth as truth - from alien encounters to Virgin Mary sightings on pizza pies, to hidden messages revealed while playing "Stairway to Heaven" backwards - and explains the evolutionary and cognitive basis for these lapses in reason. Don't miss the one-minute challenge testing your own observational skills..."