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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

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Cyanide works by making the human body unable to use oxygen.

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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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There are more sensory neurons in the tongue than in any other part of the body.

Addition of mineral nutrients to the boreal forest can have different effects on different plant spe Addition of mineral nutrients to the boreal forest can have different effects on different plant spe
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The Warm Mineral Springs individuals from Florida may be among the earliest Paleo-Indian skeletal re The Warm Mineral Springs individuals from Florida may be among the earliest Paleo-Indian skeletal re
Structures of iron–sulfur clusters Structures of iron–sulfur clusters
Skin rash is one of the symptoms of zinc deficiency Skin rash is one of the symptoms of zinc deficiency
Important Bonds in Biological Molecules Important Bonds in Biological Molecules
Video: Brain Anatomy Animation (Part 1 of 2)

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