The average sperm cell swims at 8 inches per hour.
76
Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
Every hour one billion cells in the body must be replaced.
17
The human brain doesn't stop developing until about 25 years old.
102
Fingernails grow fastest on the hand you favor.
44
Phobatrivaphobia is fear of trivia about phobias.
39
We blink 25 times a minute.
51