We test many of those remedies and tricks with a formal method. The ones that work further science and our collective understanding. The ones that don't are relegated as old wives tales.
Even the article narrows in on this correctly.
>Alcantar told her postdoc about this, and because they didn’t have a lab, directed him to try “a quick and dirty experiment.”
>“Two days later he came back and said ‘Yeah, it worked,’” she said.