Tyrannosaurus rex ‘tyrant lizard’

Large carnivores, perhaps the best known of dinosaurs.

Hagia Sophia (Istanbul)

The church of the 'Holy Wisdom', built in the Byzantine Empire, had been one of the...

Human body (male)

This animation introduces the most important organ systems of the human body.

Formation of the Earth and Moon

This animation demonstrates how the Earth and the Moon were formed.

Four-stroke Otto engine

This animation demonstrates the type of engine most commonly used in cars.

Acropolis (Athens, 5th century BC)

The world's most famous citadel, the Acropolis of Athens was built in the 5th century BC,...

The ear and the mechanism of hearing

The ear converts the vibrations of air into electric signals which are then processed by...

Colosseum (Rome, 1st century)

The most famous and most magnificent amphitheatre of Rome was built in the 1st century.

Seawater desalination

The desalination process produces drinking water from seawater.

Perimeter, area, surface area and volume

This animation presents the formulas to calculate the perimeter and area of shapes as...

Volcanic activity

This animation demonstrates different types of volcanic eruptions

Leonardo da Vinci’s workshop (Florence, 16th century)

Visit the workshop of the Renaissance polymath and his most influential inventions and...

The Alhambra in the 16th century (Spain)

The name of this magnificent palace complex originates in Arabic and means 'the red one'.

Evaporation and boiling

What happens in a liquid during evaporation and boiling? What does its boiling point...

The Moon

The Moon is the Earth's only natural satellite

Icebergs

Icebergs are blocks of frozen freshwater floating in the sea.

The life cycle of plants

The development of mosses, ferns, gymnosperms and angiosperms is characterised by an...

Ictíneo II submarine

The submarine designed by the Spanish inventor Narcís Monturiol was a pioneering work in...

Palaeolithic cave

The first dwellings in human history provide a lot of information about the lifestyle of...

Metropolises

A metropolis is a large city with a population of over 1 million people.

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