In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Sound travels fifteen times faster through steel than through air.
134
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Iron weighs more after it rusts.
68
Liquid TIDE laundry detergent glows under a blacklight.
96