Ancient Slow Growth: Fossil teeth show roots of human development | Science News

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Ancient Slow Growth: Fossil teeth show roots of human development

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8:37am, March 14, 2007

An extended period of childhood evolved in people at least 160,000 years ago, according to a new analysis of a fossil child's teeth. That's the earliest evidence to date of a modern-human life history requiring intensive parental care and a wide range of early-life learning opportunities, the researchers say.

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