Not every rainbow is gay – technically. There are stark differences between the colors of the rainbows we see in nature and ...

Larger raindrops create brighter colors within the rainbow. What about a double rainbow? The main rainbow, the brighter one in the photo above, is known as the primary rainbow. The second one is ...

Color can add dimensionality and richness to scientific communications. In figures, color is typically used to differentiate information into classes. The challenge is picking colors that are ...

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 ...