While 7 men in 100 have some form of color blindness, only 1 woman in 1,000 suffers from it.
50
The average tastebud lives only 10 days before it dies and is replaced by a new one.
15
The male fetus is capable of attaining an erection during the last trimester.
75
People who sleep late have more mental stamina and can outperform early risers.
33
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
A person can live without food for about a month, but only about a week without water.
156
