More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
Attics were invented in Attica.
43
There are only 14 blimps in the world.
69
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Castor oil is used as a lubricant in jet planes.
-5
