There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
A cubic yard of air weighs about 2 pounds at sea level.
31
No matter how cold it gets, gasoline will not freeze.
107