Of Moths and Men
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| Book: | Of Moths and Men: An Evolutionary Tale |
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| Author: | Judith Hooper |
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| Publisher: | W. W. Norton & Company |
As almost every high school biology student once learned, the peppered moths of England were the most renowned insects in the world. Featured in nearly every science textbook, they acquired their fame through the pioneering work of H. B. D. Kettlewell, a British physician and amateur lepidopterist who went into the woods in the 1950s to use this population of moths to capture “evolution in action.” He wanted—needed—to prove that the moths were evolving to a darker color in response to industrial pollution, for this would put the finishing touches on Darwin’s theory. As Judith Hooper reveals in this groundbreaking work, Kettlewell’s ambitions would exceed the strength of his science and the story of the “peppered moth” would became one of the most pervasive myths in the history of evolutionary biology.
About a century earlier, when a dark (“melanic”) form of the peppered moth appeared in the smoky industrial towns of the British Isles, some people proposed that evolutionary theory might explain why. Resting against the sooty backgrounds, these melanic moths were nearly invisible to birds, and so escaped being preyed upon. Thus more of them survived to reproduce. In rural areas, it was just the opposite. In Darwinian language, natural selection favored the black moths in the grimy mill towns and light moths in rural, unpolluted woodlands. For many decades, this was only a theory, until Kettlewell arrived. He succeeded beyond anyone’s expectations, becoming the hero of natural selection, a celebrated figure in a rarefied pantheon of world-class scientists, for his proof of “industrial melanism.”
Behind the success story, however, lay a darker tale. Based on original documents and interviews with scientists on both sides of the Atlantic as well as friends and relatives of the principal characters, Of Moths and Men chronicles the bitter rivalries, academic jealousies, botched science, and emotional heartbreak of the scientists involved. Kettlewell had been lured into the inner circles of Oxford by the celebrated geneticist Edmund Brisco Ford—a fabulous racounteur, a wildly eccentric don, and an often ruthless zealot bent on establishing his theories of how evolution worked and vanquishing all rivals. Although Kettlewell’s experiment became the jewel in the crown of Ford’s Oxford fiefdom—and evolution’s prize experiment—the relationship between the two men would become troubled. At the very moment that the peppered moth experiments were establishing the Oxford biologists as masters of their world, their personal and professional relationships were disintegrating in a miasma of recriminations, intrigue, backbiting, and shattered dreams.
A story of hubris and heartbreak, Of Moths and Men reveals as much about the internecine battles of science as it does about the mysteries of evolution.
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