Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Nylon is made from coal and petroleum.
42
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Each day, up to 150 species of life become extinct.
-23
Most dust particles in your house come from dead skin.
48
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38