Ímanes em levitação

Esta simples experiência apresenta o fenómeno da levitação magnética.

Giant rivers at the Equator

The largest rivers on Earth are found in the tropical zone.

Afrika - The geological anatomy of a continent

A video on the geological formation and geographical divisions of Africa.

Africa - The Land of Anthropoids

A film about three great apes found in Africa: the chimpanzee, the bonobo and the gorilla.

The Kalahari Basin

Due to its location, the Kalahari basin has a unique climate, flora and fauna.

Indigenous peoples in Africa - The Nomads

Migrating nomadic shepherds are still living around the Great Rift Valley in East Africa.

Os pulmões da Terra Florestas Tropicais

As florestas tropicais têm um papel importante na regulação do clima da Terra.

The East African Rift

The Great Rift Valley in East Africa was formed as a result of the movement of tectonic plates.


Fold the paper here and there, chip one or two with the scissors. This is all you need to create something fantastic that looks like a snowflake.

Nets of a cuboid

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


A cuboid is a polyhedron with six rectangular faces.

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