US Food and Drug Administration officially revoked its authorization of Red Dye No. 3, a widely used food coloring that has ...

Health officials banned the artificial food color known as Red 3 from the U.S. food supply in January, citing a federal ...

Complementary colors live on opposite sides of the color wheel. Imagine red and green, blue and orange, or yellow and purple. Or move a half step over on the wheel, and combine a yellow-green color ...

Secondary colors are the superstars that shine when any two of the three primary colors — red, blue and yellow — team up. The results are orange, green and purple. Think of them as the second level of ...

George and Ed show Michaela how to set up the experiment You'll need 4 different colours of paint; red, blue, green and yellow Paint 4 bird feeders, 1 of each colour, leaving a fifth bird feeder ...

You can use a prism to split (or disperse) white light into a spectrum of colours: red, orange, yellow, green, blue, indigo and violet. Dispersed means that the colours are separated out.