Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
The human sigh acts as a physiological reset button.
23
Your thumb is about the same size as your nose.
124
The average sperm cell swims at 8 inches per hour.
4
Human hair and fingernails continue to grow after death.
7
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
The human brain doesn't stop developing until about 25 years old.
102