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• Elizabeth2323 - Jun 25 2009

  Very interesting DVD on genetics and DNA tracing.
• mohit - Apr 23 2006 | genetics, science, documentaries, watched, movies

  Good documentary. He uses dna from blood samples to build a family tree for the human race. Four stars instead of five only because the narrator/scientist is a little high on himself.

  Quoted: This show is so compelling and complete in its coverage of how we/man evolved and traveled out of Africa. Dr. Wells travels to Namibia, Kazakhstan, Siberia, Arizona, Brazil, North Australia, and South India among other places. He incorporates interviews with other scientists to support his work - such as linguists.

  Quoted: Wells also relies on a controversial theory of cognitive development that suggests that early homo sapiens may have looked like modern humans by around 100,000 years ago, but that brain development lagged far behind. According to this theory, somewhere around 60,000 years ago, there was a "great cognitive leap forward," during which the human brain became essentially modern.

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• Elizabeth2323