A fetus develops fingerprints at eighteen weeks!
32
On average, women have always lived longer than men.
195
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
21
In older people, memory is best early in the morning and then declines during the late afternoon.
33
The right lung takes in more air than the left.
30
The human body contains over a billion miles of DNA.
147
Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39