Saker falcon

The saker falcon is a large bird of prey widespread in Europe and and Asia.

Woodwind instrument

Woodwind instruments differ from brass instruments mainly in their reed.

Prehistoric armoured fishes

Extinct species of fish which had thick ´armour´ protecting the head.

Dóm Square (Szeged, Hungary)

The Votive Church of Szeged, located on the Great Plains of Hungary, emerges from the buildings of the city's famous square, while the National Pantheon can...

How does it work? - Washing machine

This animation demonstrates how a washing machine works.

Western jackdaw

Groups of western jackdaws are frequently found in cities. Konrad Lorenz analysed the complex social behaviour of these animals.

Light and shadow

By varying the position of the light source, you can examine the shades projected onto the planes of the coordinate system.

Tower of Hanoi

The Tower of Hanoi is a mathematical puzzle.

Church of St John at Kaneo (Ohrid, 13th c.)

The Orthodox church, situated on a picturesque cliff, was named after John the Apostle

Laptop computer, peripherals

A variety of peripherals can be used with laptop computers.

Domestic dog

Dogs are the domesticated subspecies of grey wolves.

Greek and Macedonian phalanx formation

The phalanx formation was a military formation of the Greek heavy infantry.

Flat feet

Flat feet, or fallen arches, may cause a number of health problems.

Ancient Roman infantry tactics

Members of the ancient Roman Legions were the masters of military tactics.

The Steadfast Tin Soldier

Hans Christian Andersen´s legendary character comes to life in a diorama.

Farmhouse in Central Europe (19th century)

Central European farmhouses in the 19th century had characteristic interior and exterior.

European otter

Otters are semi-aquatic predatory mammals.

Peptide bond

Amino acids that make up proteins are bound by peptide bonds.

Fire brigade

This animation demonstrates the construction of a fire engine.

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