Esta simples experiência apresenta o fenómeno da levitação magnética.
The largest rivers on Earth are found in the tropical zone.
A video on the geological formation and geographical divisions of Africa.
A film about three great apes found in Africa: the chimpanzee, the bonobo and the gorilla.
Due to its location, the Kalahari basin has a unique climate, flora and fauna.
Migrating nomadic shepherds are still living around the Great Rift Valley in East Africa.
As florestas tropicais têm um papel importante na regulação do clima da Terra.
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.
This animation demonstrates the different nets of a cuboid and includes a game.
A cuboid is a polyhedron with six rectangular faces.