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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.
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.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.


