Artificial dyes made using chemicals and are thus regulated by the Food and Drug Administration to ensure their safety. But ...

During mating season, the skin of the males turns red, blue, green and yellow. Between three and seven centimetres long, they are normally a sandy grey colour to blend in with their rocky habitats in ...

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.

There are three paths in the Pokemon GO Festival of Colors India Timed Research — Red, Blue, and Yellow — themed after the three team leaders — Candela, Blanche, and Spark. Players can ...