Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
35
Enamel is hardest substance in the human body.
61
Early American humans hunted car-size armadillos and used their shells for houses.
12
The human brain uses approximately as much energy as a 10 watt light bulb.
120
The human brain has the capacity to store everything that you experience.
4k
Human hair and fingernails continue to grow after death.
7
The largest cell in the human body is the female egg and the smallest is the male sperm.
682