The human brain is more active during sleep than during the day.
28
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
A man's beard grows fastest when he anticipates sex.
239
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
You can't tickle yourself.
29