Paleoanthropologist Ian Tattersall Talks about What Makes Humans Special [Video]
In the how his field has changed since he first entered it nearly 50 years ago. Students of human evolution long believed that the story of our species origins was linear, “from primitiveness to perfection.” Scientists now know that the evolutionary path from apes to modern man was far more convoluted, populated with many rival hominins (the group including modern humans and their extinct relations) whose survival was periodically challenged by unpredictable climate shifts.
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