The world's tallest man reached 8 feet 11 inches at 21.
202
Men laugh longer, louder, and more often than women.
61
People with blue eyes are better able to see in the dark.
153
Children grow faster in the springtime than any other season during the year.
108
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
-86
A person swallows approximately 295 times while eating dinner.
63
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104