How to Taste a Sour Thing?

You have five taste senses on your tongue, sweet, sour, salt, bitter and mamy. Every time you taste something sour, you're tasting protons. So sour is just your like acidity detecting mechanism. And something is acidic if it has a high concentration of hydrogen ironsasit wo as if we forgot all our chemistry. Can we get out tof literature? Yse we ane, so mise sir wawhatis hydre you can, you can tell me what hydrogen aso is? Yes, an element, a periodic table. Very early on, en as a one, it'st the earli one.