The right lung takes in more air than the left.
30
Human teeth are almost as hard as rocks!
47
Brain freeze is caused by the brain sensing the drop of temperature on your palate and increasing blood pressure in an attempt to save you from freezing.
14
The human brain is insensitive to pain.
76
Taphephobia is the fear of being buried alive!
44
Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
Flu shots only work about 70% of the time.
18
Surgeons who listen to music during operations perform better than those who don't .
87