The average temperature at 40,000 feet above sea level is -60 F.
56
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
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Iron weighs more after it rusts.
16
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
4.5 pounds of sunlight strike the Earth each day.
27