Related: spicy foods. I used to be basically intolerant of it but now hate eating non-spicy versions of foods I’ve grown accustomed to. Spicy peppers and hot chili powder have become a crutch for my otherwise mediocre cooking skills.

Mitochondrion

So could we produce a surface tension-free water?

Homie dats a gas. Or supercritical fluid, which actually is indeed used for “washing” (SC CO2 is used to decaffeinate coffee). However, like others said, surface tension /= cleaning ability. Part of what soap does is increase the effective solubility of things that are not normally soluble.