Hot water can freeze faster than cold water.
181
Diamonds can be shattered with a hammer.
-104
Scientists aren't sure what color dinosaurs were.
312
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118