乔治华盛顿大学的人类学家艾琳·玛丽·威廉姆斯，试图找出进化是如何发生的，制造工具是怎么帮助塑造我们的手和手腕的。
At George Washington University, anthropologist Erin Marie Williams is trying to find out how that evolution took place. How did tool-making help shape our hands and wrists?
1995年，他获得了威廉·玛丽学院(College of William and Mary)的东亚研究专业本科学位，2001年又从乔治城大学(Georgetown University)法学院毕业。
He received his undergraduate degree in East Asian studies in 1995 from the College of William and Mary and graduated from Georgetown University's law school in 2001.
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