Bone Sizes Trace the Decline of Man (and Woman)

See allHide authors and affiliations

Science  09 May 1997:
Vol. 276, Issue 5314, pp. 896-897
DOI: 10.1126/science.276.5314.896

You are currently viewing the summary.

View Full Text

Log in to view the full text

Log in through your institution

Log in through your institution


A standard picture of human evolution holds that our lineage evolved gradually and inexorably toward a bigger, brainier human. But a new study of the bones of 163 early members of Homo who lived 2 million to 10,000 years ago suggests that after a peak in the last ice age, our bodies--and brains--have shrunk by about 10%.