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The world's most famous citadel, the Acropolis of Athens was built in the 5th century BC, during...
Large carnivores, perhaps the best known of dinosaurs.
The desalination process produces drinking water from seawater.
A spectacular demonstration of algebraic expressions.
This animation demonstrates different types of volcanic eruptions
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 by the brain.
The church of the 'Holy Wisdom', built in the Byzantine Empire, had been one of the largest...
This animation demonstrates how the Earth and the Moon were formed.
The most famous and most magnificent amphitheatre of Rome was built in the 1st century.
Rimac Automobili's first model is known as the world's fastest production electric vehicle.
Several ingenious instruments have been invented over the centuries to help in navigating the seas.
A selection of legendary buildings from the history of civilisation.
The Panama Canal is an artificial waterway created to shorten shipping routes between the...
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 hydrothermal vent is a fissure in the planet's surface from which geothermally heated water...
The migration of large human populations began in Ancient times.
An introduction to the relief and hydrography of China.