After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Pain occurs when sounds are above 130 db.
124
You forget 90% of your dreams.
256
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Your fingernails grow faster in summer.
744
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130