Those things you see in your eyes when you stare into space are called Mouches Voltanes, which are also broadly referenced to as Floaters.
9
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8
The P.S. at the end of a letter stands for Post Script.
40
The town of Villa Las Estrellas in Antarctica is the most remote town on Earth, and there's only three computers with internet access!
6
NASA invented baby food as we know it today.
7
A man earned 4 million airline miles for free without breaking any laws by using his credit card to purchase free-delivery $1 coins from the U.S. mint.
11
Penguins have a gland above their eye that turns saltwater into freshwater.
12
A comet's tail always points away from the sun.
2