In 1977, a thirteen-year-old child found a tooth growing out of his left
A quarter of all mammal species are bats.
A shrimp?s heart is in its head.
Baby robins eat 14 feet (4m) of earthworms a day.
Pearls melt in vinegar.
A rat can chew through any building material, including concrete.
Women blink twice as often as men do.
Fingernails grow nearly four times faster than toenails.
The whole of a human?s skin weighs twice as much as their brain.
The world?s termites outweigh the world?s humans by 10 to 1.
A sneeze travels out of your mouth at over 100mph.
The average talker sprays about 300 microscopic saliva drops per minute ? about
2.5 droplets a word.
A whale?s penis is called a dork.