Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
The average human body contains enough iron to make a small nail.
50
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
According to a 1950s survey, 75% of men ejaculate within two minutes of penetration.
109
Redheads require more anesthesia to 'go under' than other hair colors do.
50