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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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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The longest a person has survived after a heart transplant is 24 years.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Gunnera growing on nitrogen-poor soil.
compound eye of a noctuid moth
Steady-state kinetic analysis of bisubstrate reactions
This map shows the percentage of Protestants by state in Germany. When compared to the previous map