光速云-晚高峰卡顿请缓存一会在观看,如不能播放请刷新或换其他资源

剧情简介

Where did we come from? What makes us human? An explosion of recent discoveries sheds light on these questions, and NOVA's comprehensive, 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.
加载中...

Copyright © 2021-2022 All Rights Reserved-本站所有视频均收集互联网,只提供视频引用播放,不参与视频制作上传,不提供视频储存下载。若本站收录的节目无意侵犯了贵司版权请留言我们会及时处理|百度地图|RSS|留言