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Evolution would only "stop in its tracks" if everything else around those putative clones stopped changing too -- pathogens, food plants, domesticated animals, not to mention the climate, behavior, natural radiation, und so weiter. Creatures which are natural clones evolve too, because they don't live in isolation in an unchanging universe.

I'd worry less about cloning and more about a future Congress transferring NSF funding to the Texas State Board of Edumacational Demolishment.

Marc Taylor
Coordinator, Andrus Planetarium
Hudson River Museum
511 Warburton Avenue
Yonkers, NY 10701
914 963 4550 x223
Fax 963 8558
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> -----Original Message-----
> From: Informal Science Education Network
> [mailto:[log in to unmask]]On Behalf Of martin weiss
> Sent: Tuesday, July 20, 2010 9:32 AM
> To: [log in to unmask]
> Subject: Re: Who says humans have stopped evolving?
> 
> 
> ISEN-ASTC-L is a service of the Association of 
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> I hope human cloning remains a pipe dream and not a reality. 
> We are in no way capable of dealing with the issues involved 
> in human cloning. Perhaps we are not wired for such problems.
> 
> Martin
> On Jul 20, 2010, at 9:31 AM, Beryl Rosenthal wrote:
> 
> > ISEN-ASTC-L is a service of the Association of 
> Science-Technology Centers
> > Incorporated, a worldwide network of science museums and 
> related institutions.
> > 
> **************************************************************
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> > 
> > Very cool!  Just as an fyi, immediately after Dolly The 
> Sheep came to light, I heard a talk by a geneticist who 
> suggested that human cloning could conceivably stop evolution 
> in its tracks.  Hmm…
> > Beryl
> > 
> > On Jul 20, 2010, at 9:00 AM, martin weiss wrote:
> > 
> >> ISEN-ASTC-L is a service of the Association of 
> Science-Technology Centers
> >> Incorporated, a worldwide network of science museums and 
> related institutions.
> >> 
> **************************************************************
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> >> 
> >> 
> >> 
> >> Many have assumed that humans ceased to evolve in the 
> distant past, perhaps when people first learned to protect 
> themselves against cold, famine and other harsh agents of 
> natural selection. But in the last few years, biologists 
> peering into the human genome sequences now available from 
> around the world have found increasing evidence of natural 
> selection at work in the last few thousand years, leading 
> many to assume that human evolution is still in progress.
> >> 
> >> “I don’t think there is any reason to suppose that the 
> rate has slowed down or decreased,” says Mark Stoneking, a 
> population geneticist at the Max Planck Institute for 
> Evolutionary Anthropology in Leipzig, Germany.
> >> 
> >> 
> >> Read more in :
> >> 
> >> New York Times, Science Times, July 20, 2010
> >> 
> >> 
> http://www.nytimes.com/2010/07/20/science/20adapt.html?_r=1&re
> f=evolution
> >> 
> >> 
> >> Martin
> >> 
> >> __________________
> >> __________________
> >> Martin Weiss, PhD
> >> Science Interpretation Consultant
> >> mweiss at nyscience dot org
> >> 
> >> 
> >> 
> >> 
> >> 
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> > 
> > Beryl Rosenthal
> > Executive Director, Waterworks Museum
> > [log in to unmask]
> > 617.277.0065
> > 
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> 
> __________________
> __________________
> Martin Weiss, PhD
> Science Interpretation Consultant
> mweiss at nyscience dot org
> 
> **************************************************************
> *********
> For information about the Association of Science-Technology 
> Centers and the Informal Science Education Network please 
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