Science

The vitamins stored in the liver are fat-soluble A, D, E, and K, vitamin B12, copper, and iron. It is responsible for converting vitamin D into an active form.

The Lower Silesian copper and silver deposits, exploited by KGHM Polska Miedź, were in second place ...

These layers alternate. The surface of the moon consists of hard ice several kilometers thick.

It can produce static electricity when negatively charged by applying friction. Because of that, ancient Greeks named amber “elektron,” which became the basis for the word electricity.

In the first million years of the Earth's existence, the day lasted only four hours. From the very b ...

These crystals are mainly shaped like six-pointed stars, combining to form snowflakes. After falling to the ground, the snowflakes form a cover-snow.

Huge amounts of high-energy charged particles (mainly protons and electrons) are then ejected from t ...