In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
A ball of glass will bounce higher than a ball made of rubber.
73
Scientists aren't sure what color dinosaurs were.
312
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Balsa wood is classified as a hard wood!
41