If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
One in 500 humans has one blue eye and one brown eye.
145
Half of all Americans over the age of 55 have no teeth.
39
Women have a slightly higher average IQ than men.
164
Humans blink over 10,000,000 times a year!
97
A person swallows approximately 295 times while eating dinner.
63