Interesting testing.  Actually a double test in progress.

One could gather snails at one end of a property and then
mark and place them at the other end.  I have 7 acres so there
is some distance side to side and end to end.

Might do that on both ends or sides and have a convention of sorts
mid yard as they traverse the perils of the yard.

This could be a park exercise but one never knows what occurs in a park
that might change the results.

Martin

On 8/6/2010 11:26 AM, Sue Hobbs wrote:
> Hello Everyone-
>
> http://www.bbc.co.uk/news/science-environment-10856523
>
> Sue Hobbs
>
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--
Martin H. Eastburn
@ home at Lions' Lair with our computer lionslair at consolidated dot net
"Our Republic and the Press will Rise or Fall Together": Joseph Pulitzer
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