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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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The average office desk has 400 times more bacteria on it than a toilet.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.