In 1976, an underachieving Princeton junior undergraduate wrote a term paper detailing how to make a nuclear bomb. He got an "A", but never got his paper back because it was seized by the FBI.
16
There are more telephones than people in Washington, D.C.
121
A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20
Babies are born without knee caps.
78
The WD in WD-40 stands for Water Displacer.
30
An olive tree can live up to 1,500 years!
58
There is a fake village with fake shops and restaurants that is actually a care home for elderly dementia sufferers in the Netherlands.
7
A Swiss man replaced his car's broken heater with a fully functional wood burning stove.
15