Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
Gorillas can catch human colds and other illnesses.
205
Touching a teddy bear can make people feel less lonely.
36
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
There is no mention of Adam and Eve eating an apple in the Bible.
79
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10