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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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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.