In the savannahs of Kenya, two female northern white rhinos, Nájin and Fatu, munch contentedly on grass. They are the last two known northern white rhinos left on Earth. Their species is functionally extinct— without a male, they can’t reproduce. And yet, there’s still hope to revive the northern white rhino. How can that be?

在肯尼亚的大草原上，两头雌性北方白犀牛纳金和法图满足地啃着草。它们是地球上最后两头已知的北方白犀牛。它们的物种在功能上已经灭绝了-没有雄性，它们就无法繁殖。然而，仍然有希望恢复北方白犀牛的生命。这怎么可能呢？