In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The colossal squid has the largest eyes in the world.
4
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
The human eye blinks an average of 4,200,000 times a year.
233
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Poor eyesight (myopia) is associated with higher IQ.
232
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22