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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...

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...

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...

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...

Fourcroy, Antoine François, comte de

(Encyclopedia)Fourcroy, Antoine François, comte de äNtwänˈ fräNswäˈ kôNt də fo͞orkrwäˈ [key], 1755–1809, French chemist. He was a pioneer in animal and plant chemistry and collaborated with Lavoisier ...

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...

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...

Bonheur, Rosa

(Encyclopedia)Bonheur, Rosa bənörˈ [key], 1822–99, French painter, mainly of animals. She was a pupil of her father, Raymond Bonheur. Her paintings were regularly exhibited in the Salon from 1841. Bonheur's in...