10-11-30 Long a staple(主要的,常用的) of nature documentaries, the somewhat bizarre(奇异的) development of a grub-like pink marsupial(有袋的) embryo outside the mother's womb is curious in another way. Duke University researchers have found that the d...
10-07-16 The discovery of a remarkable 15-million-year-old Australian fossil limestone cave(石灰岩洞) packed with even older animal bones has revealed almost the entire life cycle of a large prehistoric(史前的,陈旧的) marsupial(有袋类动物) , from suck...