A pair of cheetah cubs have been born from in vitro fertilization to a surrogate cheetah mother for the first time, and experts are hailing it a "huge scientific breakthrough."
원문출처 : https://www.cnn.com/2020/02/24/us/cheetah-cubs-ivf-scn-trnd/index.html
원문출처 : https://www.cnn.com/2020/02/24/us/cheetah-cubs-ivf-scn-trnd/index.html