The first household refrigerators cost about $16,000, in today's money!
47
Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
If left alone, 70% of birthmarks gradually fade away.
193
Most of the dust underneath your bed is actually your own dead skin.
251

Mushrooms are more closely related to humans than they are to plants.
47
In Dubai, there’s a fridge magnet that orders a pizza delivered to your door.
12
There are more telephones than people in Washington, D.C.
121
On average, the life span of an American dollar bill is eighteen months.
33
