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saddle

(Encyclopedia)saddle, seat or pad to support the rider on an animal, chiefly a horse. The saddles mentioned in the Bible are generally considered to have been saddlecloths. The ancient Greeks sometimes used saddlec...

cruelty, prevention of

(Encyclopedia)cruelty, prevention of. In the 19th cent. many laws were passed in Great Britain and the United States to protect the helpless, especially children, lunatics, and domestic animals, from willful and ma...

blue whale

(Encyclopedia)blue whale, a baleen whale, Balaenoptera musculus. Also called the sulphur-bottom whale and Sibbald's rorqual, it is the largest animal that has ever lived. Blue whales have been known to reach a leng...

nitrogen cycle

(Encyclopedia)CE5 Nitrogen cycle nitrogen cycle, the continuous flow of nitrogen through the biosphere by the processes of nitrogen fixation, ammonification (decay), nitrification, and denitrification. Nitrogen...

Mesmer, Friedrich Anton

(Encyclopedia)Mesmer, Friedrich Anton fränts [key], 1734–1815, German physician. He studied in Vienna. His interest in “animal magnetism” developed into a system of treatment through hypnotism that was calle...

myxedema

(Encyclopedia)myxedema mĭksədēˈmə [key], condition associated with severe hypothyroidism and lack of thyroid hormone in the adult. In the child it is known as cretinism. Symptoms include a dry swelling of the ...

Marler, Peter Robert

(Encyclopedia)Marler, Peter Robert, 1928–2014, British ethologist, b. Slough, England, Ph.D University College London, 1952, and Cambridge, 1954. At Cambridge he was introduced to the sonic spectrograph, an instr...

Thomson, Sir Charles Wyville

(Encyclopedia)Thomson, Sir Charles Wyville, 1830–82, Scottish naturalist, noted as a marine biologist and deep-sea explorer. He participated in three deep-sea dredging expeditions (1868–70) and obtained evidenc...

experience

(Encyclopedia)experience, living through events and the impression on a person or animal of events. In epistemology, a distinction is made between things known inductively, from experience, and those known deductiv...

unicorn

(Encyclopedia)unicorn yo͞oˈnĭkôrn [key], fabulous equine beast with a long horn jutting from the middle of its forehead. Once thought to be native to India, the unicorn was reportedly seen throughout the world....