vitamin
(Encyclopedia) vitamin, group of organic substances that are required in the diet of humans and animals for normal growth, maintenance of life, and normal reproduction. Vitamins act as catalysts; very often either t...
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English literature
(Encyclopedia) English literature, literature written in English since c.1450 by the inhabitants of the British Isles; it was during the 15th cent. that the English language acquired much of its modern form. For the...
Nobel Prizes (table)
(Encyclopedia) Nobel Prizes
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