Jameh Mosque (Isfahan, 15th century)

Its architectural solutions and ornamentation rank this mosque among the masterpieces of Islamic art.

Typical dwelling types

Every era and every culture has specific residential buildings.

The upper gastrointestinal tract

During swallowing food travels from the mouth cavity into the stomach.

Dividing Space into Regions by 3 Planes

Division of space by three intersecting planes in several different arrangements.

Cockchafer (Maybug)

The cockchafer (or maybug) is a widespread bug in Europe. Its larvae, known as chafer grubs are considered a pest.

Male reproductive system

The reproductive system consists of organs which work together for the purpose of reproduction.

Pteranodon longiceps

A prehistoric flying reptile, similar to birds. However, there is no direct evolutionary link between the two.

Large white butterfly

The large white butterfly is a common species of butterflies, through which we demonstrate the anatomy of butterflies.

Location of origin of livestock and crops

Domesticated animals and crops originate from various parts of the world.

Water turbine, generator

Water turbines convert the kinetic energy of water into electric current.

Hot air balloon

A hot air balloon is a balloon aircraft which is lifted by hot air.


A spacecraft on its path is in a constant state of free fall.

Grass snake

A type of snake with a characteristic spot on its neck.

Paramecium caudatum

Common ciliated eucaryotic unicellular organisms widespread in freshwaters.

Common carp

Freshwater fish used as food in many parts of the world.


Regular dice can be used for solving statistical and probability exercises.


This animation demonstrates the anatomy of birds through the example of mallards.

Types of surface epithelium

Surface epithelia cover the external and internal surfaces of the body

Daedalus and Icarus

An ancient Greek myth about the tragedy of father and son who wanted to flee the island of Crete.

Types of synovial joints

Synovial joints can be categorised by the direction of movement they allow.

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