The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
Speed dating was invented by a Rabbi in 1999.
45
Hong Kong has more Rolls Royces per person than anywhere else in the world.
32
Any domino can knock over another object up to 1.5x its size. The 32nd object would be big enough to knock over the Empire State Building.
18
You can immediately cool down a car that has been sitting under the sun by rolling down the window on one side and opening-closing the door on the other side 5-6 times.
23
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
Only humans shed emotional tears.
331

