The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Yawns are more contagious among people with closer relationships.
163
Mushrooms are more closely related to humans than they are to plants.
47
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Human hair and fingernails continue to grow after death.
7
Research has determined that most people are happiest at 7:26pm on a Saturday night.
70
You can't tickle yourself.
29
The human body contains over a billion miles of DNA.
147