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
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Most dust particles in your house come from dead skin.
48
Out of all the senses, smell is most closely linked to memory.
146
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13