Hand-powered paper turbine

Let’s rotate a paper wheel with the heat of our hands.

The River System of the Amazon

A video on the Amazon river and its drainage basin.

Levitating magnets

This simple experiment demonstrates the phenomenon of magnetic levitation.

The Wallace line

The Wallace line divides the fauna of Asia and Australia.

Animal migration

Some animals cover huge distances on a seasonal basis in order to survive.

The Equatorial Climate

Introducing the characteristics of the tropical rainforest climate

Africa – The Climatic Anatomy of a Continent

An introduction of the climatic and altitudinal zones of the African continent.

Indigenous peoples in Africa hunters and gatherers

Our film, filmed in southern Africa, introduces the representatives of a disappearing lifestyle.

From the Sahara to Amazonia

Sahara sand carries nutrients essential for the Amazonian flora.

The Formation of the Atacama

The Atacama Desert is the highest-elevation and dryest desert on Earth.


A cuboid is a polyhedron with six rectangular faces.

Nets of a cuboid

This animation demonstrates the different nets of a cuboid and includes a game.

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