The water supply system provides clean and safe drinking water for the consumers.
Igloos were the typical dwellings built by Eskimos living in the Arctic zone.
This 3D scene presents the flora and fauna of the last period of the Palaeozoic Era.
NAD⁺ is a coenzyme that plays an important role mainly in catabolic processes, while NADP is important in anabolic processes as hydrogen carriers.
ATP is the main source of energy for cells.
This animation demonstrates the anatomy of birds through the example of mallards.
Freshwater fish used as food in many parts of the world.
The pericarp of real fruits develops from the carpel, while the pericarp of pseudofruits develops from other parts of flowers.
Ports must provide necessary infrastructure and services for industry and marine transport.
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.
Remarkable civil engineering works to continue the Netherland's centuries-long fight against the sea.
The battle ended with the overwhelming victory of the Macedonian army over the Persian army led by Darius III.
The Emperor of the vast Far-Eastern empire was the lord of life and death.
This animation helps you learn the basics of healthy eating.
Airports provide infrastructure and services necessary for aviation.
The American bison is the largest land animal in North America.
Organs that detect signals of the environment or of the body and transmit them to the brain as nerve impulses.
The axolotl, also known as Mexican salamander, is an amphibian species that keeps its gills even in adulthood.
This animation demonstrates the main sources of air pollution: agriculture, industry and urban settlements.