The average temperature at 40,000 feet above sea level is -60 F.
56
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Each day, up to 150 species of life become extinct.
-23
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18