One of the hardest colors to make is not just blue—it's actually cerulean

The Devil Wears Prada made a cerulean sweater a moment in fashion history. But its scientific history is much older, and more ...
C&EN

Why are Glaciers Blue?

One of the most unusual sights in the world is a glacier. Glaciers are found in mountain locations and in the coldest regions on earth. They are often a surprising and beautiful blue color. But snow ...
The New York Times

Why Are We So Obsessed With Blue?

The color has an unshakable hold on musicians, artists and writers. The background color is inspired by International Klein Blue, a hue that the artist Yves Klein first mixed in the 1950s, using it to ...
New Hampshire Public Radio

Outside/Inbox: What is the etymology of the color blue? Is it the same across cultures?

Every other Friday on Morning Edition, the Outside/In team answers a question from a listener about the natural world. For the past few weeks, we’ve been tackling queries on the theme of “blue.” What ...
The Conversation

Colors are objective, according to two philosophers − even though the blue you see doesn’t match what I see

Is your green my green? Probably not. What appears as pure green to me will likely look a bit yellowish or blueish to you. This is because visual systems vary from person to person. Moreover, an ...