On Tue, 21 Apr 2009 07:59:35 -0500, Rick Morel
wrote:

Implode/explode. Okay, I'll go with both are impossible because it's
fluid filled. This then negates any effect of high (or low) ambient
pressure in either event, so that argument is thrown out.

If you put them in pure water the salts inside the cell will suck in
water. Osmosis. The cell membrane will become tighter, although I
don't know about actually exploding. Depends on the cell, I think.

Casady