Science

According to the most common division, there are Europe, Asia, North America, South America, Africa, ...

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.

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

A characteristic feature of fungi is their cell wall made of chitin. A fungal cell may be mononuclea ...

Its HQ—Mary W. Jackson—is located in Washington, D.C.

Due to the short distance at which Deimos orbits Mars, these eclipses are most often total.

The canyon is located just below the Martian equator.