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From:
Stephen Uzzo <[log in to unmask]>
Reply To:
Informal Science Education Network <[log in to unmask]>
Date:
Thu, 3 Mar 2011 16:42:46 -0500
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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.
*****************************************************************************

One of my favorite articles (I have the full article)
"Variability and relationships of fish visual pigments" by C.D.B. Bridges
Vision Research Volume 5, Issues 6-7, June 1965, Pages 239-251 

It explains how the visual pigments/spectra for different specimens vary among schoolmates (in species such as minnows). One conclusion drawn: that although individuals have limited spectral sensitivity, as a group they have a significantly wider sensitivity allowing the school to have better vision than the individuals, hence easier to spot predators, food resources, etc. Not to mention many eyes in general--the compound eye writ large. 

Stephen Miles Uzzo, PhD.
VP, Science & Technology
New York Hall of Science
47-01 111th Street
Flushing Meadows Corona Park, NY 11368 USA
V +1.718.699.0005 x377
F +1.718.699.5227







On Mar 3, 2011, at 4:02 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's also about finding food and access to resources.
> C
> On Mar 3, 2011, at 11:06 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.
>> *****************************************************************************
>> 
>> Charley
>> 
>> Isn't this about protection from predation?
>> 
>> Martin

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