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Author Question: Vegetative barriers planted on the contour have been found to create low-cost "natural" terraces. (Read 1758 times) |
Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
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.
There are approximately 3 million unintended pregnancies in the United States each year.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.