In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
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
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Balsa wood is classified as a hard wood!
41
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Most dust particles in your house are made from dead skin!
67