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This animation shows the hierarchical structure of the Medieval Christian church.
Attīstoties mugurkaulniekiem, ir mainījies arī tas, kā attīstās smadzenes.
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.
In a passive house a comfortable inner temperature can be ensured without the use of traditional heating and cooling systems.
The European badger is an omnivorous, nocturnal animal. Badger colonies live in large burrow systems, called setts.
Tardigrades can survive in extreme environments, they can even stay alive in outer space.
Tower cranes are machines used for lifting loads weighing up to several tonnes.
The largest type of Arab sailboat, most commonly used as trading vessels in the Persian Gulf.
This animation demonstrates the design and operation of a traditional cinema projector.
A sailing vessel with characteristic lugsails used for both military and trade purposes.
Biogas can be produced from organic material (manure, plant waste, organic waste) using bacteria. Biogas is a mixture of methane and carbon dioxide; burning methane produces energy.