Why Neanderthals went extinct
Thanks to recent discoveries that they were canny hunters, clever toolmakers, and probably endowed with the gift of language, Neanderthals have overcome some of the nastier calumnies hurled at them, especially that they were the "dumb brutes of the North," as evolutionary ecologist Clive Finlayson describes their popular image. But they have never managed to shake the charge that their extinction 30,000 years ago, when our subspecies of Homo sapiens replaced them in their European home, was their own dumb fault. Modern humans mounted a genocidal assault on them, goes one explanation, triumphing through superior skills. Moderns drove them into extinction through greater evolutionary fitness, says another, especially the moderns' greater intelligence or social advances like the sexual division of labor.
Winners—of prehistory no less than history—get to write the textbooks. So it is no surprise that we, the children of the humans who replaced Neanderthals, "portray ourselves in the role of victors and reduce the rest [of the human lineage] to the lower echelons of vanquished," Finlayson writes. "To accept our existence as the product of chance requires a large dose of humility." But in a provocative new book, The Humans Who Went Extinct: Why Neanderthals Died Out and We Survived, he argues that chance is precisely what got us here. "A slight change of fortunes and the descendants of the Neanderthals would today be debating the demise of those other people that lived long ago," he argues.
Evolutionary biologists have long recognized the role serendipity plays in which species thrive and which wither on the Darwinian vine. Without the asteroid impact 65 million years ago, for instance, mammals would not have spread so soon into almost every ecological niche on Earth (dinosaurs were in the way). Yet when the subject strikes as close to home as why our ancestors survived and Neanderthals did not, scientists have resisted giving chance a starring role, preferring to credit the superiority of ancient H. sapiens. Both are descendants of Homo erectus: some spread across Eurasia beginning 1.8 million years ago and evolved into Neanderthal by 300,000 years ago, and others evolved in Africa, becoming anatomically modern by 200,000 years ago and reaching Europe some 45,000 years ago...
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Winners—of prehistory no less than history—get to write the textbooks. So it is no surprise that we, the children of the humans who replaced Neanderthals, "portray ourselves in the role of victors and reduce the rest [of the human lineage] to the lower echelons of vanquished," Finlayson writes. "To accept our existence as the product of chance requires a large dose of humility." But in a provocative new book, The Humans Who Went Extinct: Why Neanderthals Died Out and We Survived, he argues that chance is precisely what got us here. "A slight change of fortunes and the descendants of the Neanderthals would today be debating the demise of those other people that lived long ago," he argues.
Evolutionary biologists have long recognized the role serendipity plays in which species thrive and which wither on the Darwinian vine. Without the asteroid impact 65 million years ago, for instance, mammals would not have spread so soon into almost every ecological niche on Earth (dinosaurs were in the way). Yet when the subject strikes as close to home as why our ancestors survived and Neanderthals did not, scientists have resisted giving chance a starring role, preferring to credit the superiority of ancient H. sapiens. Both are descendants of Homo erectus: some spread across Eurasia beginning 1.8 million years ago and evolved into Neanderthal by 300,000 years ago, and others evolved in Africa, becoming anatomically modern by 200,000 years ago and reaching Europe some 45,000 years ago...