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Biography
Malthus, Thomas Robert (1766–1834)
Biography
McCollum, Elmer Verner (1879–1967)
Biography
McCormick, Cyrus Hall (1809–1884)
Biography
Mellanby, Kenneth (1908–1993)
Biography
Morgan, Ann Haven (1882–1966)
Biography
Müller, Paul Hermann (1899–1965)
Biography
Pennington, Mary Engle (1872–1952)
Article
Pheromone
A substance that acts as a molecular messenger, transmitting information from one member of a species to another member of the same species. A pheromone is a chemical substance secreted by an individual that influences the behavior of other…
Biography
