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 ...

The pH scale that is widely accepted and used by scientists didn't actually exist until 1909. Before then scientists had to rely on using adjectives to describe the acidity or basicity of a substance ...

Every substance’s chemistry falls somewhere on the pH scale between acidic and basic (alkaline). Different parts of your body have their own pH balances, including your vagina. Your vaginal pH level ...

There’s a time for tongue-puckering lambics and Berliner Weisses, but most beer drinkers want something a little more balanced for day-to-day sipping. Thanks to the pH scale that Tuesday’s Google ...

The pH scale is used to measure the acidity of a fluid. The pH scale ranges from 0 to 14. A pH of 7 is neutral, whereas a pH result below 7 is acidic and above 7 is alkaline. Urine has the widest ...