人类进化1:混沌初开 Where did we come from? What makes us human? An explosion of recent discoveries sheds light on these questions,小峰由衣热血教师 and NOVA's comprehensive,人类进化1:混沌初开 three-part special,"Becoming Human," examines what the latest scientific research reveals about our hominid relatives.Part 1,"First Steps," examines the factors that caused us to split from the other great apes. The program explores the fossil of"Selam," also known as"Lucy's Child." Paleoanthropologist Zeray Alemseged spent five years carefully excavating the sandstone-embedded fossil. NOVA's cameras are there to capture the unveiling of the face, spine, and shoulder blades of this 3.3 million-year-old fossil child. And NOVA takes viewers"inside the skull" to show how our ancestors' brains had begun to change from those of the apes.Why did leaps in human evolution take place?"First Steps" explores a provocative"big idea" that sharp swings of climate were a key factor.季承影看了她一眼,呆愣地点了点头,随后被顾云筱牵着离开了餐厅。叶小念重重点头,失落的小情绪明显缓过来,软绵绵说,“哥哥,咱们还是出去吧。”楚依依动弹不了半分,可她又脱不了身,她默默告诉自己,总有一日,她要踩着楚汐的头,还回去。所到之处鸦雀无声,可到了秘书办公室,却突然听见一声尖叫,他忍不住加快脚步,把门推开。
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