When this happens, light becomes separated into a rainbow of colors—red, orange, yellow, green, blue, indigo (blue-violet), and violet. In this activity, you can make your own rainbow.

When I learned about colors in grade school everything started with red, yellow, and blue and getting fancier colors was easy. I mixed some blue into my yellow to get green, or into red to get ...

Red is imbued with meaning for humans: it is the colour of danger, blood, attraction and romance. And where crimson and scarlet hues appear in nature, they often carry an important message. Ladybirds ...

The transitions from red to yellow to green and so on are uneven, breaking the correspondence between color and numerical value. Visually, certain colors in the rainbow spectrum seem to run on ...

Before its ruling concerning same-sex marriages, the Fukuoka District Court ordered visitors to remove or cover up anything showing rainbow colors, the symbol for the LGBT rights movement. The ...