There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
Eskimos don't gamble.
78
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.
165
The world's tallest man reached 8 feet 11 inches at 21.
202
In a lifetime, an average person walks the equivalent of 5 equators
177
Yawns are more contagious among people with closer relationships.
163
In 75% of American households, women manage the money and pay the bills.
97