looking for a Scientific analogy

Umnarj Paeratakul umnarj at mozart.inet.co.th
Wed Mar 18 03:48:35 EST 1998

riverain at hotmail.com wrote:
> Hello,
> I need your help... I am looking for an analogy...
> I am producing a Film documentary on a person who was forced to change
> "nationality".  She was a victim of racism and she had to move to a better
> welcoming country.
> Is there such phenomen in things ?  How would you "illustrate" what she've
> been throught in "scientific terms" ?  In physics, Chemistry or something else
> ?
> I want to create a metaphorical message through Science.
> Any ideas or suggestions ?

Dear folks,

Well, I don't know this will help you or not, but here goes....

1. "Chemotaxis" Germs such as bacteria will swim away from 
    bad chemicals - to good chemicals.  Or swimming toward foods.

2. "Mutation"  or change in the genetic makeup of the bacteria. 
    For example some bacteria can be attacked (and killed) by a type of 
    virus called "phage".  Smart (or lucky)  bacteria can mutate such 
    that the phage could not get a hold of the bacteria, therefore
    survive the attack.  This change is in the surface of the bacteria,
    thus make it "looks" a bit different.

Just my two cents...

umnarj at mozart.inet.co.th

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