An average Egyptian dwelling consisted of regularly arranged rooms.
The heart generates the electrical impulses necessary for its own operation. The graphic representation of the electrical activity of the heart is the...
The name of this magnificent palace complex originates in Arabic and means 'the red one'.
The animation shows five outstanding works in the history of sculpture.
The largest bronze-age building complex of ancient Crete was probably the centre of Minoan civilisation.
The three important laws describing planetary motion were formulated by Johannes Kepler.
Our gametes are haploid cells produced from diploid cells by meiosis, a special type of cell division.
Space probes and Mars rovers examine the structure of Mars and possible traces of life.
The B-24 Liberator was an American heavy bomber aircraft, built in large numbers, that was used on every front during World War II.
This animation demonstrates the development of the axe throughout archaeological periods.
A wooden church built in the 12th-13th centuries, the best preserved of Norway´s stave churches.
One of the best known buildings in the world, this is the residence and office of the President of the United States.
A dynamo converts mechanical energy into direct current.
This animation demonstrates the functioning of the 3 basic types of water tap.
The Rutherford Experiment proved the existence of positively charged atomic nuclei. The results led to the elaboration of a new atomic model.
Learning about the geographic location, capitals and flags of the world´s countries through exercises in three levels of difficulty.
This animation introduces the most important systems of the human body.
Bottlenose dolphins are sea mammals which use ultrasound for orientation.
Located close to Osaka, the Japanese castle is also called the White Heron because of its white exterior.
Bacteria occur in a wide range of shapes, including spheres, rods and spirals.