The ´Flying Fortress´ was developed for the United States Army Air Force by Boeing
Spitfire was a legendary British single-seat military aircraft used in World War II.
Large construction sites provide archaeologists searching for artefacts with a great deal of work.
DC motors consist of a permanent magnet and a coil within the magnet, with electric current flowing in it.
Atmospherical nitrogen is bound by bacteria and used by living organisms in the form of various compounds.
Karst formations include dolines and dripstones.
The Earth is divided into geographical and climatic zones, which result in the zonation of vegetation.
The boundaries of tectonic plates can be seen on the seafloor.
A glacier is a large body of ice that forms from snow, and is in constant, slow motion.
Submarines had an important role in naval warfare as early as World War I.
In alkaline batteries electric current is generated by electrochemical reactions
A group of fish characterised by a cartilaginous skeleton, well-known species include the great white shark and the great hammerhead shark.
Long-necked herbivorous dinosaur with a robust body.
The most important Neoclassicist building in France, completed in 1791, became the final resting place of many of France´s greats.
This animation helps you learn the basics of healthy eating.
The mosque, built in a distinctive architectural style, is the largest adobe structure in the world.
The American bison is the largest land animal in North America.
There are various types of instruments used for measuring temperature.
Rimac Automobili's first model is known as the world's fastest production electric vehicle.
One of the oxoacids of nitrogen. A colourless compound with a pungent odour, a strong oxidant.