Metalloproteins are biomolecules containing metal ions. From transporting oxygen and cell signals to catalyzing chemical reactions,...

Transition metals are integral to nature, science, health and technology. Common transition metals include iron (Fe), copper (Cu), nickel...

Zinc (Zn) is a transition metal integral to health, environment and technology. It's forged in the crucible of stars through nuclear...

CubeSats are miniature satellites with cutting edge technology and aerospace innovation. They are small units measuring 10x10x10 cm and...

Silicon (Si) is the second most abundant element in the Earth's crust, next to oxygen. A ductile metalloid, it's integral to industry and...

Toxic heavy metals cadmium, mercury, lead, chromium, and arsenic are elements known for high density and toxicity even in small amounts....

Lunar caustic ( lapis infernalis ), Höllenstein (hellstone) or silver nitrate ( argentinium nitrium ) is esteemed by alchemists of the...

During the Western Renaissance, new exciting artists' pigments appear in brilliant colors, vibrant scarlet red, deep rich blue,...

The Hittites are first noted in tablets of trade found at the karum of Kanesh ( Kültepe ) in Anatolia, modern day Turkey. The Hittite...

Early prehistoric use of gold is for religious purposes, ornament or decor. In 1500 BCE, Thutmose of Egypt decrees gold to be used for...

Silver is a precious and magical metal. In common culture silver appears before 5000 BCE. One of the seven metals of antiquity , silver...