In 1996, research found that having excessive body hair is linked to higher intelligence.
23
A woman's sense of smell is most sensitive during ovulation.
34
Ingrown toenails are hereditary.
15
Your heart pumps about 2,000 gallons of blood each day!
53
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Redheads require up to 20% more anesthesia to be knocked out.
112
Within three days of death, the enzymes that once digested your food begin to eat you.
22