Study of 386 fossils reveals human body size jumped late in evolution, not gradually

Summary

A peer-reviewed study published in PNAS by researchers at the University of Reading and University of Oxford analyzed body weight data from 386 fossils across 21 hominin species to settle a debate about human body size evolution. Contrary to the long-held view of a steady, gradual increase from small to large over millions of years, the study found that body size remained relatively stable for most of hominin history. The major jump in body size occurred later, specifically within the genus Homo, rather than being a continuous trend across the entire family tree. This challenges traditional narratives of human evolution and provides a more nuanced understanding of when and how our ancestors grew larger.

Source

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