Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
Over its lifetime, the average microwave requires more energy to display a digital clock than to heat food.
10
American car horns beep in the tone of F.
66
It is impossible to hum if your nose is plugged.
366
Couples' personalities converge over time to make partners more and more similar.
235
There are more telephones than people in Washington, D.C.
121
The largest diamond ever found was an astounding 3,106 carats!
99
It's impossible to sink in the Dead Sea without equipment!
72