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The most intense processes of energy production are based on the phenomenon of nuclear fusion.
Learn about the interesting and colourful history of money.
Learn about the physical and social geography of Canada.
Most people live in settlements, that is, in cities and villages.
How large is the Universe? What is its structure like?
What do we know about the formation and future of the Universe?
In this lesson, you can learn some interesting facts about Spain.
Learn about Maxwell, one of the greatest geniuses of the 19th century.
In this lesson, you will perform experiments related to the living conditions of plants.
Water pollution is considered a major environmental threat. How can we protect our waters?
In this lesson, you will learn about the fascinating life of Saint Joan of Arc.
In this lesson, you will learn about the changing of seasons and the weather.
Everything about lighting: the light of stars, fireflies, public lighting, energy-efficient lamps.
Learn about the largest contiguous empire in history.
Discover how the largest state in the history of the Muslim world was established.
In this lesson, you can learn about life in the divided Germany.
In this lesson you can learn about the Reformation.
The first thing that many people do in the morning is to make a cup of coffee.
In this lesson, you can learn about the anatomy and metamorphosis of butterflies and moths.
In this lesson you can learn about medieval religious orders.
Learn about the pH value of aqueous solutions, how to detect it and the types of solutions grouped according to their pH value.
Let's discover the unique world of oceans.