Like fingerprints, everyone's tongue print is different.
250
Diamonds mined in Brazil are harder than those found in Africa.
40
Less than 3% of the water produced at a large municipal water treatment plant is used for drinking purposes!
24
You share your birthday with at least 9 million other people in the world.
205
The key to happiness is spending your money on experiences rather than possessions, according to studies.
21
There are 86,400 seconds in a day.
110
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
