A forgotten object in a museum revealed the oldest blue pigment in Europe, pushing back the use of this color by 13,000 years ...
A 2023–2024 re-examination of a small stone palette from the open-air site of Mühlheim-Dietesheim, about 16 kilometers east of Frankfurt, revealed particles of azurite, the earliest confirmed blue ...
Scan the cave paintings and portable art of our Paleolithic ancestors and the colors black, yellow, and red abound. Shades of blue and green, however, are virtually nonexistent. For the past half ...
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 ...