Q: Why are more fruits and flowers red, orange or yellow than blue? —Robert L. Morrison | Poughkeepsie, New York There is actually no true blue pigment in nature. A pigment creates color by ...

Artificial dyes are in everyday food and drinks people consume, oftentimes without knowing the concerns. To help navigate ...

Shorter wavelengths of the color spectrum, like blue, scatter easily when they ... The full moon takes on several shades of red, orange and yellow when it's nearer the outer edges of Earth's ...

“For companies that are currently using petroleum-based red dye, try watermelon juice or beet juice. For companies currently ...

The U.S. Food and Drug Administration (FDA) announced a plan to discontinue eight petroleum-based synthetic food dyes from the country’s food supply soon. The food dyes that will be phased out ...