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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.
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Illicit drug use costs the United States approximately $181 billion every year.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.