Although it can vary per website, by default, hyperlinks on the internet are colored blue. How was this color selected and is ...

Why don't we have neon-green ice giants? The Earth itself is so famously blue that its blue hue, viewed from the vantage ...

It is not the red of Ferraris or stop signs, but for Subramanian, the moon-inspired magenta represents a huge step forward ...

It was ubiquitous in the ancient world. Then, we just... forgot how to make it.

For being the world’s oldest known synthetic pigment, the original recipes for Egyptian blue remain a mystery. The ...

Blue stands out as one of the rarest colors in nature, with almost no animals bearing true blue pigments. This fascinating rarity stems from a unique blend of evolution, chemistry, and physics. Unlike ...

Blue fingernails may be due to a low level or lack of oxygen circulating in your red blood cells. Other causes include chronic conditions and cold temperatures. Having a blue tint to your ...

Most fruits and vegetables are naturally coloured, and there is no real blue colour in nature – it’s all a trick being played with light ...