The yin-yang pattern's earliest use is in Rome - not China!
125
The Band-Aid was originally made for the inventor's wife, who often cut and burned herself while cooking.
6
It takes about 63,000 trees to make the newsprint for the average Sunday edition of The New York Times.
-11
You can actually sharpen the blades on a pencil sharpener by wrapping your pencils in aluminum foil before inserting them.
209
It has been calculated that every 2 minutes, we take more pictures than all of humanity in the 19th century.
13
Passengers on the Beijing subway can pay with plastic bottles.
29
The best diamonds are colored blue-white.
80
In 1997, a survey reported that 12% of Americans think that Joan of Arc was Noah's wife.
48
