It is impossible to hum if your nose is plugged.
366
There are 635,013,559,599 possible hands in a game of bridge.
39
In a year approximately 900 million trees are cut down to make the raw materials needed for American pulp mills and paper.
-16
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
If you counted 24 hours a day, it would take 31,688 years to reach one trillion!
44
American car horns beep in the tone of F.
66
Only 8% of the world’s currency is physical money. The rest exists only on computers.
20