Diamonds mined in Brazil are harder than those found in Africa.
40
Caffeine boosts memory.
405
When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
423
Like fingerprints, everyone's tongue print is different.
250
It is estimated that millions of trees in the world are accidentally planted by squirrels who bury nuts and then forget where they hid them!
174
The chills you sometimes feel when listening to music is called "musical frisson."
18
It takes about 63,000 trees to make the newsprint for the average Sunday edition of The New York Times.
-11