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Stories about: polycephaly

Two-Headed Tortoises Two heads think more than one. But it is better for them to be located in two distinct bodies. When more than one head grows from one body, this is called polycephaly, an impairment that occurs during the embryonic stage of development. These tortoises show that the two-headed monsters are not just something depicted... 5 June 2007 15:26 GMT