Music is as addictive to the brain as sex and drugs.
27
Pollen never deteriorates. It is one of the few natural substances that lasts indefinitely.
58
The first household refrigerators cost about $16,000, in today's money!
47
The yin-yang pattern's earliest use is in Rome - not China!
125
A typical lead pencil can draw a line that is 35 miles long.
158
There are more than 10 million bricks in the Empire State Building!
75
Couples' personalities converge over time to make partners more and more similar.
235
Women blink nearly twice as much as men.
152