Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
A plant response to flooding.
In this cartoon, Boss Tweed welcomes cholera—a skeletal figure of death carrying a handbag from “Asi
3D Plant Layout - Side View for Dual-Stage Pressure Production of Nitric Acid
What are examples of ideal forms?
A schematic view of the mechanism of mRNA splicing