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This animation presents some interesting facts in the field of astronomy.
The Giza Necropolis is the only one of the Ancient wonders still intact.
A type of large freshwater crayfish widespread in Europe.
This exciting and colourful game is designed to develop spatial perception. You can check your solutions using isometric views.
Rotating a geometric shape around a line within its geometric plane as an axis results in a solid of revolution.
Carved into a granite cliff, the sculptures of the Mount Rushmore National Memorial depict four great United States presidents.
Bacteria are unicellular organisms that have no nuclei and are a few micrometres in length.
The central nervous system consists of the brain and the spinal cord, the peripheral nervous system consists of nerves and ganglia.
The skin is the soft outer covering of our body, its three layers are the epidermis, the dermis and the hypodermis.
The heart is the central pump of the cardiovascular system beating several billion times over our lifetime.
The Suez Canal is an artificial waterway connecting the Red Sea and the Mediterranean Sea.
Ancient Egyptians worshipped a large number of gods and goddesses.
A selection of legendary buildings from the history of civilisation.
Nuclear power plants convert the energy released during nuclear fission into electric power.
Standing bodies of water can form in depressions on the surface by both endogenic and exogenic forces, as well as by human activity.
Short-lived but extremely powerful tornadoes can cause a great deal of damage.
Comets are spectacular celestial bodies orbiting the Sun.
This animation demonstrates the most important relief features, surface waters and their relevant symbols.
This scene summarizes the main organs of the human body.
Icebergs are blocks of frozen freshwater floating in the sea.