Living fossil, important stage in the evolution of tetrapods.
Several European countries joined the conquest of the New World, making America a colourful continent.
Extinct species of fish which had thick ´armour´ protecting the head.
This animation demonstrates how a washing machine works.
A force can be measured by measuring the twisting of the torsion wire in a torsion balance.
Egyptian Pharaohs were respected as gods, they were lords of life and death.
Simple harmonic motion can be considered to be the one-dimensional projection of uniform circular motion.
The animation demonstrates how laser printers work
Woodwind instruments differ from brass instruments mainly in their reed.
A game about the different views of complex objects.
This animation demonstrates the most important seas and bays.
Amino acids that make up proteins are bound by peptide bonds.
According to the Bible Noah was ordered by God to build a large vessel to save his family and the animals from the flood
Medieval kings were typically depicted sitting on their thrones, wearing a crown and the Royal regalia.
Maharajas were Hindu rulers of large regions of India.
Small farms usually located near the border of rural towns, inhabited by peasants.
The surface of a sphere consists of the set of points which are all at the same distance from a given point in space.
The Jumbo Jet is one of the best known airliners.
African tribes have their own distinct cultures.
Wines of the Tokaj wine-growing region are well known worldwide.