The church of the "Holy Wisdom," built in the Byzantine Empire, had been one of the largest religious buildings until 1935, when it was converted into a museum.
The most famous and most magnificent amphitheater of Rome was built in the 1st century.
This animation demonstrates how the Earth and the Moon were formed.
The world's most famous citadel, the Acropolis of Athens was built in the 5th century B.C., during the Age of Pericles.
This animation presents the formulas to calculate the perimeter and area of shapes as well as the surface area and volume of solids.
The ear converts the vibrations of air into electric signals which are then processed by the brain.
This animation introduces the most important organ systems of the human body.
The round tower of the largest fort in the Arabian Peninsula had an ingenious defense system.
The desalination process produces drinking water from seawater.
This animation demonstrates the type of engine most commonly used in cars.
Large carnivores, perhaps the best known of dinosaurs.
This animation demonstrates different types of volcanic eruptions.
Smoking severely damages the respiratory system, it may cause COPD or lung cancer.
The Voyager space probes were the first man-made objects to leave the Solar System. They gather data about outer space and carry information about humanity.
Visit the workshop of the Renaissance polymath and his most influential inventions and works of art.
The Moon is the Earth's only natural satellite
The name of this magnificent palace complex originates in Arabic and means 'the red one'.
This 3D scene presents the steps of the cement manufacturing process.
The main sources of water pollution are industry, agriculture and urban areas.
This scene presents the location, anatomy and functioning of the central organ of the human circulatory system.