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Take a risky dive into an underwater cave in Mexico to discover the 13,000-year-old skeleton of a prehistoric teenager. Follow forensic clues that reveal intimate details of her life and death, and how her people first ventured into North America.
Plot Summary:One unlucky day 13,000 years ago, a slight, malnourished teenager missed her footing and tumbled to the bottom of a 100-foot pit deep inside a cave in Mexico's Yucatán. Rising seas flooded the cave and cut it off from the outside world-until a team of divers chanced upon her nearly complete skeleton in 2007. Intricate detective work reveals that the young woman's bones are among the earliest known human remains in the Americas. What drove her to venture nearly a mile underground inside a vast cave? Where did her people come from, and why does she look so distinct from today's Native Americans? From a stunning Mexico cave to the wilderness of the Yukon, from the genetics lab to the forefront of forensics, NOVA pursues tantalizing new clues that are rewriting the story of the forgotten first people who ventured into our continent.
很一般,但是交代了对西伯利亚原白令陆桥附近早期居民和美洲早期居民及现代原住民基因组比对研究的成果。另外,这种纪录片还有一种绝大的好处,就是让人认识并尊重科学家及各行各业为他们做辅助工作的人。希望家长能多让孩子看看这类纪录片,这样他们就不会觉得“偶像”是唯一值得模仿的对象。
从发现Naia,一个生活在13000年前的Ice Age古人类少女,到推导出印第安人的祖先是从亚洲来到美洲的不同部落的古人类之间的后代。从一幅较完整的骨架和各种零散的石器就能得到这么多关于史前人类的有用信息,现代科技真的了不起。