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
The ozone hole above Antarctica will keep opening up each spring for decades to come – here’s why that still matters
NASA via Getty Images Laura Revell, University of Canterbury; Dan Smale, National Institute of Water and Atmospheric Research,…
The Viewpoint: Scientists Create Self-Replicating DNA Nanorobots with Potential for Targeted Cancer Treatment
A breakthrough in nanotechnology has produced tiny, self-replicating robots made from DNA with the potential to revolutionize medicine.
Can you survive inside a tornado? This scientist did by accident – he’s lucky to be alive
Perry Samson, University of Michigan Curious Kids is a series for children of all ages. If you have…
New coating mimics PFAS with less ‘forever chemical’ risk
Engineers have developed a safer nonstick material using "nanoscale fletching," a breakthrough that drastically reduces reliance on harmful 'forever chemicals.'