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  Marc, we at usdct checked our sat system out using gerbils ( we keep
them on hand anyway), and we found that they are in fact better divers
than anyone on our team. You just do not want to try an ascent wtih
one in the "chute", or they get stuck. - BS


>
> Marc,
> 
> I checked into this ear clearing problem long ago.   
> 
> Those who have performed various tests in medical labs and hyperbaric
> facilities assure me that every animal they have compressed has no
problem
> clearing during descent.   One experimenter informed me that he
wasted his
> youth trying to bend small mammals to no avail.  
> 
> Before finding this out I was going to feed them just before
submersion so
> they would be chewing during descent.
> 
> These small creatures commonly live in closed spaces or pockets
where they
> are subjected to constant small pressure changes resultig from the
slightest
> wind or air currents that move across the openings.   They should be
well
> addapted to these changes since hearing is vital to survival in
their little
> world.
> 
> I have already gone around and around with the animal rights people
who
> pelted me with threats and partitions for mercy.   This project is
not an
> experiment on the mice - I know what will happen with them and they
will be
> fine.  
> This is actually a refinement of the same project I did for my
senior year
> science project many years ago.  It will serve as a demonstration of
> technique and problem solving for educational purposes and any actual
> experiments will be periferal to the housing and not involve any
apperciable
> risk to my tiny subjects (corrosion, material compatability, pioneer
life
> form growth, . . . ).   There will be more risk to the tending
divers that to
> the mice. 
> 
> Chuck
> --
> Send mail for the `techdiver' mailing list to
`techdiver@aquanaut.com'.
> Send list subscription requests to `techdiver-request@aquanaut.com'.
> 
> 
> 

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