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
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Most dust particles in your house come from dead skin.
48
A cubic yard of air weighs about 2 pounds at sea level.
31
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Iron weighs more after it rusts.
16
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