Have you ever noticed how blue in nature feels rare and almost magical? You can see the endless sky and deep oceans painted in blue, yet when you look at plants, animals, or rocks, the colour is ...

For centuries, artists relied on lapis lazuli to produce ultramarine blue, a pigment prized for its intense color and rarity.

Nature is full of an almost infinite array of colors, but some are more unique than others. Apart from the inanimate sky and water, the color blue only some animals and flowers have the privilege of ...