The research was published this week in Nature Methods.

这项研究发表在本周的《自然方法》上。

A recent paper in Nature Methods reported that scientists had created stem cells from northern white rhinos - the most endangered rhino in the world, with just a handful left in existence.

据《自然方法》最近的一篇文章报道，科学家们已经从北部白犀牛身上提取出了干细胞（北部白犀牛是世界上濒危的犀牛，存世数屈指可数）。