[DuskStar]

> Wish we had a gland that got rid of excess salt then we could just drink sea water.

We've got those - they're called kidneys. Unfortunately, they can't get the output dense enough to be useful for drinking saltwater...

(Maximum saltiness of urine is less than that of saltwater, which is why drinking saltwater dehydrates you)

[SCAQTony]

There is a Sci-fi story somewhere in that comment. i.e., Bioengineered kidney solves some globalize freshwater catastrophe; or does it?