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Red-green colour deficiency is a genetic condition.

This video presents the causes and the solution of the Great Depression.

This video presents the events of the peace conference in Versailles after the end of World War I.

This video presents the myth of how the Trojan War began.

This is the biblical story of Joseph, the great-grandson of Abraham, the patriarch of the Jews.

This is the story of the birth and deeds of the biblical prophet, Moses.

Masada, a fortress built on a gigantic isolated plateau, is a symbol of Jewish patriotism.

If you already have your brand new camera but are not satisfied with the pictures you take, we will now help you navigate through the combinations of settings and clarify some basic concepts so you can take better pictures.

This experiment demonstrates what happens when you balance a broom on two fingers and then gradually bring them together.

A characteristic pine species of the Mediterranean coastal regions.

The pressure in two balloons can be equalised with a Y-shaped tube.

A tea mug is dropped such that it doesn’t hit the ground and thus doesn’t break. How is this possible?

This experiment proves that air pressure acts not only downwards but upwards as well.

A mixture of iron(III) oxide and aluminium reacts in a very vigorous redox reaction, producing elemental iron and aluminium (III) oxide.

How much added weight will push a floating cork below the surface? This experiment aims to answer this question.

We can further develop the machine we presented in the previous video, so it can dispense multiple kinds of beverages.

Jerusalem, located on a plateau in the Judean Mountains between the Mediterranean and the Dead Sea, is one of the oldest cities in the world.

Numerous myths and legends are attached to this volcanic formation in Transylvania, Romania. It is also an excellent destination for hikers.

Let’s make paper birds! The more colour we use, the more beautiful our birds will look.

This forest tree is a common tree species in hilly and mountainous regions. It prefers steep and shady slopes and tolerates colder climates.

The primary forest tree of the Russian steppes. Its unique characteristic is the whitish-brownish, heavily cracked bark.

The catalpa is a plant typical mainly of tropical and sub-tropical regions. It is able to climb up the trunks of trees towards the light.

This ornamental plant of parks is also very useful to form an impenetrable barrier against thieves with its dense, thorny structure.

A popular pet of children. They can be easily recognised by the red patches behind their eyes.