2015年4月27日
TED_Topic7：How we unearthed the spinosaurus
摘要： By Nizar Ibrahim A 50-foot-long carnivore who hunted its prey in rivers 97 million years ago, the spinosaurus is a "dragon from deep time." Paleontologist Nizar Ibrahim and his c... 阅读全文
posted @ 2015-04-27 13:13 爱67 阅读(597) 评论(0) 推荐(0)