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
The yin-yang pattern's earliest use is in Rome - not China!
125
The only king without a moustache in a deck of cards is the king of hearts.
63
Over its lifetime, the average microwave requires more energy to display a digital clock than to heat food.
10
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
Leather skin does not have any smell. The leather smell that you sense is actually derived from the materials used in the tanning process.
23
Real diamonds do not show up on x-ray.
36
There are more telephones than people in Washington, D.C.
121