The yin-yang pattern's earliest use is in Rome - not China!
125
There are more telephones than people in Washington, D.C.
121
Couples' personalities converge over time to make partners more and more similar.
235
In the case of an emergency, a Crayola crayon can be used as a candle and will burn for about 15 minutes.
36
You can immediately cool down a car that has been sitting under the sun by rolling down the window on one side and opening-closing the door on the other side 5-6 times.
23
The number of births that occur in India each year is higher than the entire population of Australia.
66
Japanese engineers were asked to redesign the front end of the Bullet Train because it carried enough speed to create a sonic boom whenever it exited a tunnel. Residents could feel the blast from miles away.
11
You can tape a small mirror onto a cone speaker, play music and shine a laser on to the mirror and the reflection will look like a laser light show on your wall.
102