Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
Research Methods
Research Methods
Wall painting with giraffes, zebra, eland, and abstract shapes, San people, Inanke Cave, Matobo ...