Exploring the Science of Sustainability
QUEST > Biology > New Clues to Our Ancestors' Mobility > scapula
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on Oct 31, 2012 by 
![Left: Zeray Alemseged preparing Selam fossil encased in sandstone (2002 photo). Right: Selam’s complete right scapula (scale: each black or white section = 1 cm). © Zeray Alemseged / Dikika Research Project [http://research.calacademy.org/anthro/research/dikika]](http://science.kqed.org/quest/files/2012/10/scapula_header.jpg)
