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Subject:
Re: Who says humans have stopped evolving?
From:
Beryl Rosenthal <[log in to unmask]>
Reply To:
Informal Science Education Network <[log in to unmask]>
Date:
Tue, 20 Jul 2010 12:21:14 -0400
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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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Of course - when he said that, I thought, "Wait a minute, that is NOT going to stop episodic, random mutations!".  On the other hand, maybe he was reading "The Boys From Brazil"…!  He never did give an explanation for his thinking.
Beryl

On Jul 20, 2010, at 12:12 PM, Charlie Carlson wrote:

> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related institutions.
> *****************************************************************************
> 
> It would be interesting to hear the rationale for arrested evolution.  I don't think it's possible.  Looking at freshwater rotifers, even with cloning a couple of hundred different species evolved over tens of millions of years and sexual reproduction has come and gone several times.  
> 
> Mutation always occurs, and selection is inevitable.  One would have to arrest the environment as well as mutation.
> 
> C
> On Jul 20, 2010, at 6:32 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.
>> *****************************************************************************
>> 
>> 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.
>>> *****************************************************************************
>>> 
>>> 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.
>>>> *****************************************************************************
>>>> 
>>>> 
>>>> 
>>>> 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&ref=evolution
>>>> 
>>>> 
>>>> Martin
>>>> 
>>>> __________________
>>>> __________________
>>>> 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 visit www.astc.org.
>>>> 
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>>> 
>>> Beryl Rosenthal
>>> Executive Director, Waterworks Museum
>>> [log in to unmask]
>>> 617.277.0065
>>> 
>>> ***********************************************************************
>>> For information about the Association of Science-Technology Centers and the Informal Science Education Network please visit www.astc.org.
>>> 
>>> Check out the latest case studies and reviews on ExhibitFiles at www.exhibitfiles.org.
>>> 
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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 visit www.astc.org.
>> 
>> Check out the latest case studies and reviews on ExhibitFiles at www.exhibitfiles.org.
>> 
>> The ISEN-ASTC-L email list is powered by LISTSERVR software from L-Soft. To learn more, visit
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> 
> Charles Carlson
> Senior Scientist
> exploratorium
> 3601 Lyon St.
> San Francisco, CA 94123
> [log in to unmask]
> Tel:   415-561-0319
> Fax:  415-561-0370
> 
> 
> 
> 
> 
> 
> 
> 
> ***********************************************************************
> For information about the Association of Science-Technology Centers and the Informal Science Education Network please visit www.astc.org.
> 
> Check out the latest case studies and reviews on ExhibitFiles at www.exhibitfiles.org.
> 
> The ISEN-ASTC-L email list is powered by LISTSERVR software from L-Soft. To learn more, visit
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Beryl Rosenthal
Executive Director, Waterworks Museum
[log in to unmask]
617.277.0065

***********************************************************************
For information about the Association of Science-Technology Centers and the Informal Science Education Network please visit www.astc.org.

Check out the latest case studies and reviews on ExhibitFiles at www.exhibitfiles.org.

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