The pH is a negative logarithmic scale, which measures the molar concentration of hydrogen ions from 1 to 10 14 ions. It therefore has no unit of measurement. Numbers on a negative logarithmic scale ...

An English reality star is wanted for questioning by police after an acid attack inside a London nightclub that injured two Australian sisters. London police detectives want to speak with Arthur ...

It has long been known that acids can erode tooth enamel but a new Swedish study shows that strong alkaline substances can damage teeth too -- substances with high pH values can destroy parts of the ...

THE discovery, isolation, synthesis and clinical use of a new member of the vitamin B complex called "pteroylglutamic acid" can be attributed to the combined efforts of many different investigative ...