Amazing fact: water
Hot water freezes faster than cold water.If hot water is poured into a glass, the glass is more apt to break if it's thick than if it's thin, which is why test tubes are made of thin glass.
Amazing fact: Rainbow
You can create an artificial rainbow for yourself with a garden hose. Simply stand with your back to the sun and adjust the hose to a fine spray.
Amazing fact: heart beat
A women's heart beats faster than a men's.
Amazing fact: Dream
On average, people spend more than five years of their lives dreaming.
Amazing fact: metal
If water flows fast enough, it can cut metal. There is actually a tool, called a waterjet, which is used for cutting metal with water.