One cubic foot of gold weighs more than 1,200 pounds!
78
Pure water (H2O) does not conduct electricity on its own.
46
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
Iron weighs more after it rusts.
16
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Indoor pollution is 10 times more toxic than outdoor pollution.
62