[Paddlewise] Yet another kayaking danger

OK, all of you safety conscious paddlers, how do you prepare/guard 
against this?  :)

http://www.alertnet.org/thenews/newsdesk/N21270962.htm

(Scientists have determined that methane bubbles from the bottom of the 
ocean can sink ships.)

Mel
There are 10 kinds of people, those that understand Binary and those 
that don't.
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