Methylene blue is a synthetic compound with a deep blue color that has been used for over a century in various medical, ...

And nowhere has that been more blatant than the American food palate ... of Oxford. A blue liquid in a plastic cup in a bathroom? Could be minty mouthwash. The exact same color liquid, in a ...

AND EARLIER THIS WEEK, THE FDA ANNOUNCED THE BAN OF RED DYE NUMBER ... make between color and taste can also change according to the context, says Charles Spence, professor of experimental psychology ...