The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
Your heart rate can rise as much as 30% during a yawn.
69
Your hair grows faster in the morning than at any other time of day.
91
Ingrown toenails are hereditary.
15
Unlike dogs, pigs, and some other mammals, humans cannot taste water. They taste only the chemicals and impurities in the water.
95
More people use blue toothbrushes, than red ones!
66
Household bleach is the recommended chemical to decontaminate people exposed to the anthrax virus, by the U.S. F.D.A.
16