Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Sound travels fifteen times faster through steel than through air.
134
Balsa wood is classified as a hard wood!
41
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Aluminum used to be more valuable than gold!
84
One ragweed plant can release as many as one billion grains of pollen!
51
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Indoor pollution is 10 times more toxic than outdoor pollution.
62