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Did you know?
It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
Did you know?
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.