In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The earth is approx. 6,588,000,000,000,000,000 tons.
175
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
The average home creates more pollution than does the average car.
33
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11