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The legendary city of the Mayan-Toltec Empire was located on the territory of present-day Mexico.
Chameleons are reptiles with an ability to change their colours.
This animation introduces the studies of astronomers and physicists whose works fundamentally changed our view of the universe.
Bones of the upper limbs form the pectoral girdle and the arms.
These Palaeolithic statuettes probably symbolise fertility and prosperity.
This Pacific island is famous for its unique monolithic human figures.
The Benz Patent-Motorwagen is widely regarded as the first vehicle propelled by an internal combustion engine.
Amino acids are the monomers of proteins.
This animation explains active and passive transport processes occurring through cell membranes
This animation explains transparency and opacity, the principle of radiography, and the light-absorbing properties of materials.
This animation presents the main types of leaves and the differences between monocot and dicot leaves.
Major phases in the history of theories and views about the structure of the atom.
According to Homer’s epic, Odysseus’ Stratagem caused the loss of Troy.
This animation introduces body parts on a male anatomical model.
The popular model of the American automobile factory was the first mass-produced car in the world.
Darwin's legendary voyage aboard HMS Beagle played a crucial role in the development of the Theory of Evolution.
Machines converting the energy of wind into useful forms of power were already in use in the Middle Ages.
In benzene there are sigma bonds and delocalised pi bonds between carbon atoms.
The Cassini spacecraft was exploring Saturn and its moons for nearly 20 years.
Before the emergence of motorised vehicles, letters and parcels were delivered by horse-drawn mail coaches.