The average temperature at 40,000 feet above sea level is -60 F.
56
Research indicates that plants grow healthier when they are stroked.
173
4.5 pounds of sunlight strike the Earth each day.
27
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
According to studies, men change their minds two to three times more often than women.
72
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The average home creates more pollution than does the average car.
33
If the chemical sodium is dropped into water it will immediately and violently explode.
67