Mushrooms are more closely related to humans than they are to plants.
47
Oak trees can live 200 or more years.
61
A typical full-time worker in the US with a four-year college degree earns about $50,000. This is 62% more than a worker with only a high-school diploma.
72
Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
In 1997, a survey reported that 12% of Americans think that Joan of Arc was Noah's wife.
48
No matter its size or thickness, no piece of paper can be folded in half more than 8 times.
-64
The symbol on the 'pound' key (#) is called an octothorpe.
82
The WD in WD-40 stands for Water Displacer.
30