Pain travels through your body at 350 ft. per second.
36
Enamel is hardest substance in the human body.
61
The first patented condom was meant to be reused!
47
The skin on your lips is 200 times more sensitive than your fingertips.
345
A sneeze can travel as fast as 100 miles per hour.
43
The human brain is insensitive to pain.
76
Surgeons who listen to music during operations perform better than those who don't .
87
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190