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This animation demonstrates the structure and operation of electron microscopes.
Nuclear fusion will serve as an environmentally friendly and practically unlimited source of energy.
Mercenaries of the ancient Roman army were well-trained and well equipped with the most up-to-date weapons.
The ancient Roman arena became well-known for the chariot races held here.
The theater that has a distinctive shape and excellent acoustics was situated at the side of the Acropolis in Athens.
This animation demonstrates the development of the human embryo and fetus.
Soviet labor camps (Gulags) were located far from inhabited areas.
The two groups of angiosperms are monocots and dicots.
The Olympian gods in ancient Greek mythology were as diverse as humans.
The formation of the Sun and the planets started with the contraction of a dust cloud about 4.5 billion years ago.
This animation compares the life cycles of mosses and ferns, helping to understand the general life cycle of plants.
Before the emergence of motorised vehicles, letters and packages were delivered by horse-drawn carriages.
Chameleons are reptiles with an ability to change their colors.
This animation demonstrates how a turbojet engine works.
Darwin's legendary voyage aboard HMS Beagle played a crucial role in the development of the Theory of Evolution.
The train operates between Paris and southern Germany, its cruise speed is 320 km/h (199 mph).
This animation demonstrates the structure and operation of CT scanners.
The first commercially successful technique of photography was invented by the French Louis Daguerre.
This animation shows how trees change throughout the seasons, demonstrated by the example of English oaks.
The spinal cord is the part of the central nervous system running inside the spinal column from which spinal nerves branch out.
The large intestine is the last section of our digestive track.