Over 35 years after the first study linking the artificial food dye Red 3 to thyroid cancer in rats was published, the U.S.

Out of about 25 studies, more than half identified a positive association between artificial food coloring intake and ...

A person mixing green food dye in a small bowl with a dish of red food dye nearby - Goodlifestudio/Getty Images "Liquid food coloring [...] can be dull unless you use a lot, which can be a problem ...

One way they can do this is to use a process called chromatography. In the activity below, you can try chromatography to separate colors in a mixture of food coloring! Place a coffee filter on a tray ...

Red Dye No. 40, a synthetic food ... coloring that's synthesized from petroleum, also known as Allura Red AC, is one of the nine "Trusted Source" certified color additives the FDA approves for use ...