Re: Amerindian navigators and Eurocentrism in scholarship

[tthkr@godzilla.osikan.telenor.no (Hans kristian Ruud)]

In article <01bcc750$fab1d200$LocalHost@modavis.bellatlantic>, "Monte Davis" <modavis@bellatlantic.net> writes:
#Mary Grether wrote:
#
#>>A long time ago, I heard that fish had something like a bladder(not
#right word) in their body that held fresh water, seems like near their
#head. could be wrong on that one.<<
#
#The buoyancy bladder is gas-filled, but the water in the flesh of fish (and
#their extracellular water) is nearly fresh. Their cells have good ion pumps
#to overcome the osmotic tendency of salt to migrate in. 
#
#Castaways who can catch enough fish don't die of thirst.
#
#

But of course this way of extracting H2O is not something one would want to
depend on on an ocean voyage.