The sun is 330,330 times larger than the earth.
75
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
In zero gravity, a candle's flame is round and blue.
16
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17