When and how was it established that living beings are made up of the same elements as minerals?

When and how was it established that living beings are made up of the same elements as minerals?

We can say that we share with nature its minerals, which are essential to our vital life.

What is the connection between the Joachimstal mines in Bohemia and the dollar?

How did the dollar became the name of the official currency of the United States?

Gemstones, precious stones and fine stones

Is a stone precious, in the absolute sense of the word?

Why did metalworking first appear in the Middle East?

Given the important role played by metals in the development of these civilizations, both on an economic and urban planning level, and consequently on a political one, metal extraction has played an essential role in the lives of these peoples.

When did the first mining extraction take place?

Since ancient times, human beings have recognized the crucial role played by metals and minerals in the manufacture of tools, weapons and jewelry. Metalworkers were believed to be magicians