Earthquake

An earthquake is one of the most devastating natural phenomena.

Chain reaction

Energy released during nuclear fission can be used for civilian or military purposes.

Code of Hammurabi

The Code of Hammurabi is the emblem of the Mesopotamian civilisation; it contains 282 laws carved into a basalt stele.

The human brain

The main parts of the human brain are the brain stem, the cerebellum, the diencephalon, and the cerebrum.

Mechanism of taste reception

Taste receptors convert chemical stimuli into electric signals.

Parts of the human brain

The main parts of the human brain are the brain stem, the cerebellum, the diencephalon, and the cerebrum, which is divided into lobes.

Connective tissues

Connective tissues include loose and dense connective tissues, adipose tissue, blood, tendon and bone tissue.

Nose, the mechanism of smelling

Olfactory receptors produce electric signals when stimulated by odours.

3D puzzle

This exciting and colourful game is designed to develop spatial perception. You can check your solutions using isometric views.

Altitudinal zonation

In mountainous areas the climate, soil properties, the flora and fauna change depending on elevation.

Tower of London (16th century)

The intriguing history of this historic castle spans nearly a thousand years.

Solids of revolution

Rotating a geometric shape around a line within its geometric plane as an axis results in a solid of revolution.

Carboniferous flora and fauna

This animation presents some animals and plants that lived between the Devonian and Permian periods (358–299 million years ago).

Muscle tissues

The three types of muscle found in the human body are the smooth, the striated and the cardiac muscle.

Structure of skeletal muscles

This animation demonstrates the fine molecular structure and mechanism of muscles.

Evaporation and boiling

What happens in a liquid during evaporation and boiling? What does its boiling point depend on?

Galileo Galilei's workshop

Galileo Galilei's scientific achievements contributed greatly to the advancement of physics and astronomy.

Diocletian's Palace (Split, Croatia)

The fortress-like palace was built by Roman Emperor Diocletian on the coast near his home town.

Voice production

When producing sound, the vocal cords are vibrated by the air flowing out of the lung.

Characteristics of sound waves

This animation explains the most important characteristics of waves through sound waves.

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