Anguish, by August Friedrich Albrecht Schenck, c. 1878. National Gallery of Victoria, Melbourne.
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Miscellany
The first known “laboratory rat” was used in 1828 in an experiment about fasting. Guinea pigs have been put to scientific use since the 1780s, when Antoine-Laurent Lavoisier measured their heat production. The first recorded usage of guinea pig to liken a person or a thing to a test subject was in 1891, by George Bernard Shaw in his book The Quintessence of Ibsenism.
Man is the only animal that laughs and weeps, for he is the only animal that is struck with the difference between what things are and what they ought to be.
—William Hazlitt, 1819
