Azurite, a naturally occurring copper carbonate mineral, has been a blue pigment for thousands of years, particularly in medieval Europe, where it was a more affordable alternative to ultramarine made from lapis lazuli.
Related Posts
How was the Earth built?
The Earth formed in a ring of debris around the Sun, like the one around Vega, a bright…
Invasive lionfish have spread south from the Caribbean to Brazil, threatening ecosystems and livelihoods
An invasive lionfish at Flower Garden Banks National Marine Sanctuary in the Gulf of Mexico. G. P. Schmahl/NOAA,…
Florence Bell died unrecognised for her contributions to DNA science – decades on female researchers are still being sidelined
Natalia I. Kucirkova, The Open University Almost 80 years ago, Florence Bell quietly laid the foundations for one…
The Hidden Rule That Shapes All Life on Earth
Life uses only one “hand” of its molecular building blocks—a mysterious asymmetry called homochirality that may hold clues to life’s origins and even the possibility of mirror life beyond Earth.