There are 293 ways to make change for a dollar.
148
Passengers on the Beijing subway can pay with plastic bottles.
29
97% of all paper money in the US contains traces of cocaine.
93
Since 1982, a radio frequency emanating from Russia has been broadcasting a buzzer-like sound and, periodically, an unknown voice reads orders, names, and numbers. No one knows where exactly it is coming from or what it means.
13
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
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
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22