科学家们相信，这种重生同样会给生命提供新的繁殖地。

This rebirth could also lead to new breeding grounds for life, scientists believe.

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英国叫声最响亮的鸟——麻鸦，自从科学家跟踪记录繁殖出的100多只嘹亮啼叫的雄鸟后，对鸟儿们来说是个好年头。

Britain's loudest bird, the bittern, has had its best year since records began with scientists tracking more than 100 breeding males belting out their distinctive booming call.

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由于母体的可遗传变异使得这些特殊的细胞不可能被用于繁殖，但是能够帮助科学家总结出繁殖过程。

Although this particular batch of cells is unlikely to be used for assisted reproduction because of the donor's heritable mutation, it will help scientists work the process out.

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