Most dust particles in your house come from dead skin.
48
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
One third of the electricity produced on earth is used to power electric light bulbs!
75
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Balsa wood is classified as a hard wood!
41
One barrel of petroleum holds 42 gallons.
20
A 'jiffy' is an actual unit of time for 1/100th of a second!
66