In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Iron weighs more after it rusts.
68
Sound travels fifteen times faster through steel than through air.
134
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Sound at the right vibration can bore holes through a solid object.
134
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101