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.
22
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
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
A human being loses an average of 40 to 100 strands of hair a day.
133
You see your nose at all times, your brain just chooses to ignore it.
30
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130