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pheromones
(Encyclopedia)pheromones, any of a variety of substances, secreted by many animal species, that alter the behavior of individuals of the same species. Sex attractant pheromones, secreted by a male or female to attr...Shorthorn cattle
(Encyclopedia)Shorthorn cattle, breed of beef cattle developed from the native cattle of the Tees valley in NE England; formerly called Durham cattle. Systematic breeding of Shorthorns began in the latter part of t...Spectral Classes for Main Sequence Stars (table)
(Encyclopedia)Characteristics of Spectral Classes for Main Sequence Stars ...Barbarossa
(Encyclopedia)Barbarossa bärˌbərŏsˈə [key] [Ital.,=red-beard], surname of the Turkish corsair Khayr ad-Din (c.1483–1546). Barbarossa and his brother Aruj, having seized (1518) Algiers from the Spanish, plac...Palmer, Alexander Mitchell
(Encyclopedia)Palmer, Alexander Mitchell päˈmər [key], 1872–1936, American politician, b. Moosehead, Pa. Admitted (1893) to the bar, he built up a large law practice, became a leader in the state Democratic pa...putty
(Encyclopedia)putty, commonly a mixture of whiting (calcium carbonate) and boiled linseed oil. Other substances may be combined with the oil to make putties suitable for some specific purpose. For example, the red ...Pyramus and Thisbe
(Encyclopedia)Pyramus and Thisbe pĭrˈəməs, thĭzˈbē [key], in classical mythology, youth and maiden of Babylon, whose parents opposed their marriage. Their homes adjoined, and they conversed through a crevice...radish
(Encyclopedia)radish, herbaceous plant (Raphanus sativus) belonging to the family Cruciferae (or Brassicaceae; mustard family), with an edible, pungent root sliced in salads or used as a relish. It is thought to be...O'Connor, Basil
(Encyclopedia)O'Connor, Basil (Daniel Basil O'Connor), 1892–1972, American lawyer and philanthropic official, b. Taunton, Mass., grad. Harvard Law School, 1915. He practiced law in New York and Boston, entering i...O'Donnell, Hugh Roe
(Encyclopedia)O'Donnell, Hugh Roe, 1571?–1602, Irish chieftain and ruler of Tyrconnel (modern Donegal), known as Red Hugh. His father tended to favor the English, who left him free to continue the traditional O'D...Browse by Subject
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