There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
One view of inclination i (green) and other orbital parameters
Exterior View of The Temple of Hera I, Poseidonia (Roman Paestum)