Nearly 50% of the world's scientists are assigned to military projects.
71
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The average temperature at 40,000 feet above sea level is -60 F.
56
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Liquid TIDE laundry detergent glows under a blacklight.
96
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65