"Why are there so many songs about rainbows?" sings Kermit the Frog in a song (about rainbows) called "Rainbow Connection" from 1979's "The Muppet Movie." And it's not just songs that feature rainbows ...

Rainbows are fascinating natural wonders. But do they actually have an end, or is it just an illusion? Let’s unravel the ...

Visually, certain colors in the rainbow spectrum seem to run on ... In this system, hues are arranged around a circle with saturation increasing from the center outward. The 'true' color (hue ...