[language] [Fwd: [evol-psych] Journey" Redraws Humans' Family Tree]

[H.M. Hubey]

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 Journey" Redraws Humans' Family Tree

Hillary Mayell
for National Geographic News
December 13, 2002

      By analyzing DNA from people in all regions of the world, geneticist
Spencer Wells has concluded that all humans alive today are descended from a
single man who lived in Africa around 60,000 years ago.

      Modern humans, he contends, didn't start their spread across the globe
until after that time. Most archaeologists would say the exodus began 100,000
years ago-a 40,000-year discrepancy.

      Wells's take on the origins of modern humans and how they came to
populate the rest of the planet is bound to be controversial.

      His work adds to an already crowded field of opposing hypotheses proposed
by those who seek answers in "stones and bones"-archaeologists and
paleoanthropologists-and those who seek them in our blood-population
geneticists and molecular biologists.

      In Journey of Man, Spencer Wells traces human evolution from Africa
through Asia to the Navajo people of North America.

      Photograph copyright Mark Read, National Geographic Channels
International

      Journey of Man premieres internationally Sunday, December 15, on the
National Geographic Channel. It airs on January 21, 2003, in the United States
on PBS. Consult your local TV listings.

      The book, The Journey of Man: A Genetic Odyssey, was published in the
United Kingdom in October 2002. It will be released in the United States by
Princeton University Press in January 2003.

         Over the last decade, major debate on whether early humans evolved in
Africa or elsewhere, when they began outward migration, where they went, and
whether they interbred with or replaced archaic species has moved out of
scientific journals and into the public consciousness.

Full text
http://news.nationalgeographic.com/news/2002/12/1212_021213_journeyofman.html


News in Brain and Behavioural Sciences - Issue 81 - 14th December, 2002
http://human-nature.com/nibbs/issue81.html






--
M. Hubey
-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o
The only difference between humans and machines is that humans
can be created by unskilled labor. Arthur C. Clarke

/\/\/\/\//\/\/\/\/\/\/ http://www.csam.montclair.edu/~hubey



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