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This animation demonstrates different types of volcanic eruptions
This animation presents the formulas to calculate the perimeter and area of shapes as...
This animation introduces the most important organ systems of the human body.
This animation demonstrates the type of engine most commonly used in cars.
The ear converts the vibrations of air into electric signals which are then processed...
The most famous and most magnificent amphitheatre of Rome was built in the 1st century.
Large carnivores, perhaps the best known of dinosaurs.
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...
The desalination process produces drinking water from seawater.
The church of the 'Holy Wisdom', built in the Byzantine Empire, had been one of the...
A hydrothermal vent is a fissure in the planet's surface from which geothermally...
The Panama Canal is an artificial waterway created to shorten shipping routes between...
Comets are spectacular celestial bodies orbiting the Sun.
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.
Short-lived but extremely powerful tornadoes can cause a great deal of damage.
An introduction to the relief and hydrography of China.
Remarkable civil engineering works to continue the Netherland's centuries-long fight...