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
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Scientists aren't sure what color dinosaurs were.
312
One cubic foot of gold weighs more than 1,200 pounds!
78
Most dust particles in your house come from dead skin.
48
The storage capacity of human brain exceeds 4 Terrabytes.
140
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65