There are 53 Lego bricks manufactured for each person in the world.
83
The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
14
Standard paper cannot be folded in half more than 7 times.
232
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
A million dollars' worth of $100 bills weighs only 22 pounds!
32
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13