A transitional form between fish and tetrapods, or four-limbed vertebrates.
Marsh harriers are birds of prey found almost worldwide.
This animation demonstrates how sonar works.
Egyptian Pharaohs were respected as gods, they were lords of life and death.
Because of the military conflict in Sudan, millions of people had to flee their homes.
Inhabitants of ancient Egypt wore characteristic clothes and jewellery.
King Darius as well as Xerxes built pontoon bridges across the Bosphorus for the Persian army.
According to the Bible Noah was ordered by God to build a large vessel to save his family and the animals from the flood
A brick castle in South-East Hungary; its oldest parts were probably built in the late 14th century.
Several European countries joined the conquest of the New World, making America a colourful continent.
This animation demonstrates how lifts work.
Influenced by Western Europe, the Tsar attempted to modernise the Russian Empire.
The dreaded warriors of the Mongol Empire helped to make it one of the largest empires in history.
The fortress of Oradea in Transylvania is a good example of medieval fortress architecture.
The best-known piece of the Hungarian Crown Jewels is the Holy Crown.
The US Marine Corps is an important branch of the US Armed Forces, with about 200 thousand, specially trained members.
An acyl-carrier coenzyme taking part in both anabolic and catabolic processes.
The Gaul city Alesia, which was defended by Vercingetorix, was besieged by the Roman forces of Julius Caesar in 52 BC.
The masterpiece of Buddhist architecture is located in India.
Remnants of Ottoman architecture in Hungary include the Gazi Kasim Pasha Mosque in Pécs and the Minaret of Eger.