After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
A human being loses an average of 40 to 100 strands of hair a day.
133
The human body contains over a billion miles of DNA.
147
Yawns are more contagious among people with closer relationships.
163
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
All 13 minerals necessary for human life can be found in alcohol beverages.
282