Human hair and fingernails continue to grow after death.
7
The average sperm cell swims at 8 inches per hour.
4
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Tigers can see 6 times better at night than humans.
305
Gorillas can catch human colds and other illnesses.
205
If the human eye was a digital camera, it would have 576 megapixels.
25