In the meantime, other scientists sought to illuminate the origin of feathers by examining the scales of modern reptiles, the closest living relatives of birds. Both scales and feathers are flat.
就在同时，其他科学家们开始通过检验现代爬行动物的鳞片来试图阐明羽毛的起源，因为爬行动物与鸟类之间的亲缘关系最为接近。
In the meantime, other scientists sought to illuminate the origin of feathers by examining the scales of modern reptiles, the closest living relatives of birds.
就在同时，其他科学家们开始通过检验现代爬行动物的鳞片来试图阐明羽毛的起源，因为爬行动物与鸟类之间的亲缘关系最为接近。
Examining iPSCs generated from different animals revealed that differences based on the cell of origin were even greater than differences based on the animal of origin.
对不同种类动物的诱导多能干细胞研究时发现，不同细胞起源引起的诱导多能干细胞差异大于不同动物种类引起的诱导多能干细胞差异。
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