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Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.
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.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.