A man's beard grows fastest when he anticipates sex.
239
The human brain doesn't stop developing until about 25 years old.
102
Fidgeting can burn about 350 calories a day.
201
Like fingerprints, everyone's tongue print is different!
71
The human sigh acts as a physiological reset button.
23
Phobatrivaphobia is fear of trivia about phobias.
39
Kissing an infection-free partner is good for your teeth!
141