"The article touches very briefly on many possible explanations without ever coming to a conclusion." Agreed, which makes the "...and now you know the chemistr

"The article touches very briefly on many possible explanations without ever coming to a conclusion." Agreed, which makes the "...and now you know the chemistry of why" closer all the more infuriating. I also agree that the evaporation/infusion of gases seems a likely explanation, because I've noticed that if I leave the fan on overnight near my glass of drinking water it starts to taste unpalatably stale a lot quicker. At least, it does to me.