If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Nylon is made from coal and petroleum.
42
Billions of neutrinos pass unnoticed through your body every second.
6
Most dust particles in your house come from dead skin.
48