On Tue, 22 Sep 2009 14:20:44 +0200, "Tim C."  wrote:

>On Tue, 22 Sep 2009 12:10:04 +0100, Mike.. .  . wrote in post :
><news:l9ejoi5f075i$.1jegchoukjdrc$.dlg@40tude.net> :
>
>> Following up to Tim C. 
>> 
>>>  It is "driven off" if you like, it's a handy phrase but try and
>>> think of it as
>> 
>> yes, if trying to deduce whats happening its best to use more scientific
>> language, thanks.
>
>It's not such a bad phrase actually. Imagine a herd of cows and sheep mixed
>together in a field, and you want to drive the sheep out with some dogs
>(they provide the energy :-) ). The dogs  will probably get most sheep out,
>but a few will still likely be hanging on in there. 
>More dogs=more heat=more sheep come out quicker.
>Fewer dogs=less heat=sheep are driven out slower and it'll be harder/take
>longer to get the last few out.
>
>It this a logical proof that sheep run faster when hot?

Sacha's rabbit goes up through the hole round the tree and back down again time
again so soon?
-- 

Martin