Open a jewelry box or pause in front of a stained-glass window, and you are seeing one of nature’s quieter tricks at work. The color, in these cases, is not painted on. It comes from the atoms ...

The colors of rubies and emeralds are so striking that they define shades of red and green—ruby red and emerald green. But ...

Transition metals exchange electrons with supporting ligands to form complexes that facilitate reaction catalysis in several industries, like pharmaceutical production. Both the metal center and the ...