Sodium silicate or "water glass" or liquid glass, originates in ancient practices. A chemical compound, sodium silicate is composed of...

The practice of naming planets comes from the work of the Babylonians. The concept passes into the Greek, and from there, Romans begin...

Astrology and astronomy blur boundaries in the ancient world. Similar at a glance, the two serve different needs in society and progress....

"Hematite" comes from the ancient Greek for blood. The stone makes red dust when cut and polished. The red color isn't always visible at...

Ancient Alexandria, jewel of Egypt, is renowned as a city of philosophy, medicine and alchemy. A crucial turning point happens 297 AD....

Myrtle, Rose, Scammory and Flowers of Brass are four infused wines used medicinally in the ancient world. Infused wine in medicine often...

Alchemy has origins in ancient medicine, metallurgy and gemology. As metallurgy evolves to coloring metals the goal is to make base...

Medieval Islamic astrology and astronomy begin in traditions of the Hellenistic and Roman eras. Early astronomy observes seasonal changes...

Pseudo-Democritus numbers among the Alexandrian alchemists and writers, with works appearing in the early centuries AD. Originally...

Neolithic salt production in Europe centers around sites such as Solnitsata in today's Bulgaria, and Lunca (Poiana Slatinei), Romania....

Afterlife beliefs affect burial practices of the Bronze Age. The Bronze Age emerges at various times cross-culturally, such as Indus...