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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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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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Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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There are 20 feet of blood vessels in each square inch of human skin.