The skin on your lips is 200 times more sensitive than your fingertips.
345
You can alleviate a tickly throat by scratching your ear.
9
Ingrown toenails are hereditary.
15
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Human hair and fingernails continue to grow after death.
7
The heart pumps about 1 million barrels of blood during an average lifetime!
30
It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.
164
Fingernails grow fastest on the hand you favor.
44