You will experience the billionth second of your life when you are 31 years old.
21
More than half the population of Kenya is under the age of 15.
71
The world's shortest man measures only 21.5 inches.
73
Yawns are more contagious among people with closer relationships.
163
Only 2% of the worlds population is blonde.
15
Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
76
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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