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
Japanese engineers were asked to redesign the front end of the Bullet Train because it carried enough speed to create a sonic boom whenever it exited a tunnel. Residents could feel the blast from miles away.
11
Oak trees can live 200 or more years.
61
Babies are born without knee caps.
78
One human hair can support 3 ounces.
191
On average, the life span of an American dollar bill is eighteen months.
33
A Swiss man replaced his car's broken heater with a fully functional wood burning stove.
15
More than 50% of Americans fall asleep on their sides.
86