WHICH IS more disappointing: finding what you thought to be a true fact is actually a myth or finding what you thought to be a myth to be actually true? I've experienced both while putting together this special issue on water. If urban legends are always about what happened to a friend of a friend, then the telling of 'urban mythical facts' always seem to start with the phrase "Apparently, right, and this is absolutely true..." or "You're not going to believe this and I thought it was surprising but I read somewhere that...". The first 'fact' regards how much water you should consume in a day. Water is the stuff of life, a basic need not only for humans but plants and animals everywhere. So how much is the right amount for you? In a way it's a basic piece of information that perhaps we should all know, but it's obviously not a simple question: it will vary from individual to individual, with climate, according to how active you are and many other factors. But surely there ought to be a minimum recommended amount or some kind of guidance?
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