刚刚在《生物书简》上公布了研究结果的达艾韬博士和亨德·瑞克斯博士是通过分析海里蜗牛化石来探索这个问题的。
Dr Dietl and Dr Hendricks, who have just published their results in Biology Letters, looked at the question by examining fossil sea snails.
实际上，当达艾韬博士和亨德·瑞克斯博士在检验他们的设想时观察到螃蟹一旦逮到左撇子的蜗牛会随即放弃。
Indeed, when Dr Dietl and Dr Hendricks tested their hypothesis they observed crabs picking up left-handed snails and then abandoning them.
为完成博士论文，艾尔克·罗杰斯多特考察了印度河流域有着4000年历史的古城摩亨佐-达罗，它位于现在的巴基斯坦境内。
For her doctoral thesis, Elke Rogersdotter studied a 4,000-year-old city called Mohenjo-Daro in the Indus Valley, in what is now Pakistan.
为完成博士论文，艾尔克·罗杰斯多特考察了印度河流域有着4000年历史的古城摩亨佐-达罗，它位于现在的巴基斯坦境内。
For her doctoral thesis, Elke Rogersdotter studied a 4,000-year-old city called Mohenjo-Daro in the Indus Valley, in what is now Pakistan.
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