A man's beard grows fastest when he anticipates sex.
239
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Mushrooms are more closely related to humans than they are to plants.
47
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
Obsessive nose picking is called Rhinotillexomania.
101
Gorillas can catch human colds and other illnesses.
205