In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Scientists aren't sure what color dinosaurs were.
312
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
A ball of glass will bounce higher than a ball made of rubber.
73
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
