Structure of skeletal muscles

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

Muscle tissues

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

Nose, the mechanism of smelling

Olfactory receptors produce electric signals when stimulated by odours.

Aeolian landforms in deserts

Wind, as an external force, plays an important role in shaping deserts.

Motorway design and construction

We can travel on dual carriageways on the motorway.

Deforestation

Deforestation has a negative impact on the environment.

Roman snail

A widespread snail species, also popular as food.

Organisation of genetic material

Eukaryotic cells with nuclei measuring only a few micrometres may contain nearly 2 metres of DNA, coiled multiple times.

Wright Flyer I (1903)

The Wright Flyer was the first successful powered, heavier-than-air aircraft, designed and built by the Wright brothers.

Nikola Tesla's laboratory (Shoreham, USA)

This physicist-inventor and electrical engineer who mainly dealt with electrotechnics was undoubtedly one of the most brilliant figures of the second...

The life cycle of vertebrates

The life cycle of vertebrates starts with the production of the reproductive cells of an individual and ends with the production of the reproductive cells...

The Black Death (Europe, 1347–1353)

The bacterial disease known as the bubonic plague is one of the deadliest infectious diseases in the history of mankind.

Theatre of Pompey (Rome, 1st c. BC)

The building commissioned by Pompey the Great was the first permanent theatre in Ancient Rome.

Teotihuacan (4th century)

Majestic even in its ruins, this city was the largest and most populous settlement in the pre-Columbian Americas.

Ocean currents

The Great ocean conveyor is a planet-wide system of ocean currents, which has a great influence on the Earth´s climate.

Interesting astronomy facts

This animation presents some interesting facts in the field of astronomy.

European garden spider

This animation demonstrates the anatomy of spiders through the example of a common European species.

Euglena viridis

Unicellular eukaryotes living in freshwaters, capable of feeding autotrophically and heterotrophically.

European crayfish

A type of large freshwater crayfish widespread in Europe.

How do seas shape the Earth's surface?

Seawater, as an external force, plays an important role in shaping coastlines.

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