While there are a variety of other variables and protocols to be followed to ensure our food supply remains safe, a basic understanding of pH and how it is measured is crucial to food production.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The pH scale that is widely accepted and used by scientists didn't ...

How well do you remember the pH scale from chemistry class? Today’s Google Doodle presents a small interactive to jog your memory, and more importantly, celebrate Søren Peder Lauritz Sørensen, the ...