Dr Mark Shriver, who studies human origins at Penn State University, is interested in ancestry, variations in skin and hair colour, facial features and height.

宾夕法尼亚州立大学研究人类起源的马克·施莱佛博士感兴趣的是血统，皮肤和头发的颜色、面部结构和身高的变化。

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Now, we mark this anniversary with a measure of sadness, as we remember the extraordinary life of Sargent Shriver—(applause)—a man who embodied the spirit of the New Frontier as well as anybody.

现在，我们在缅怀萨金特•施莱弗不平凡的一生的同时纪念这个周年，令人不 免感到悲伤——（掌声）——他同任何一个人一样，身体力行新边疆精神。

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Mark Shriver, who had more money than Van Hollen and ties to a famous Democratic family (the Kennedys).

CNN: Incumbent Morella defeated in Maryland

You get a sense of the sheer force of their numbers when you realise that Mrs Townsend is not the only clan member running in Maryland: her cousin, Mark Shriver, is trying to get into Congress.

ECONOMIST: The pick of the Kennedys is having a tough time in Maryland