4.5 pounds of sunlight strike the Earth each day.
27
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
No matter how cold it gets, gasoline will not freeze.
107
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
Sound at the right vibration can bore holes through a solid object.
134
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The average temperature at 40,000 feet above sea level is -60 F.
56