The search for Malaysia Airlines flight MH370 entered its fourth day on Tuesday. The Boeing 777 aircraft travelling from Kuala Lumpur to Beijing disappeared from radar over the South China Sea early Saturday with 239 people on board. VIDEOGRAPHIC
Do you have any idea what exactly goes on in our little gray cells? No, us neither. We countdown the ten most mysterious puzzles of the mind.
Music = Five Dollar Bill by Jason Pedder and Ben Ziapour