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The animation demonstrates the most important types of feathers and their fine structure.
Inventions in the 18th century resulted in huge advances in the development of the textile industry.
The statue was donated by the French to the USA for the centenary of gaining independence.
Larvae of this type of mayflies spend the first three years of their lives in water, their adult lives last for only one day which they use for mating.
This animation compares a modern living room and a typical bourgeois salon.
Geckos can walk on walls or even ceilings. The 3D scene explains this ability.
The animation shows the way forces act on wheeled vehicles and vehicles with runners.
This animation shows the hierarchical structure of the Medieval Christian church.
During the evolution of vertebrates the relative development of brain areas has changed.
Pearls, often used as gemstones, are the by-products of certain molluscs' protective mechanisms.
The hypothalamic-pituitary axis is the regulating centre of our endocrine system.
An important endocrine gland producing hormones that affect metabolism and the calcium balance of the body.
With the example of the stag beetle we demonstrate how insects' muscles function, how insects fly and how they reproduce.
The torii is a traditional Japanese gate built at the entrance of shrines.
The limbic system plays an important role in forming emotions and in learning.
The cause of a heart attack is the blockage of a coronary artery. It is one the most common causes of death.
While the density of spider silk is less than that of nylon filaments, its tensile strength is greater than that of steel.
Stirling engines are also known as external combustion engines. Unlike internal combustion engines (e.g. Otto-engine), here combustion takes place outside the cylinder.
One of the Croatian sculptor's most famous works depicts a woman wearing a traditional costume.
The characteristic ancient Greek statue was found on the bottom of the Adriatic Sea.
Mirror image isomers of asymmetrical shapes and solids are non-superimposable.