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Learn about the revival of the ancient Olympic Games and how world politics affected the Olympics during history.
In this lesson, you can learn about everyday decisions and how they affect your emotional state.
In this lesson, you can learn about energy and sports drinks and their effects on the human body.
In this lesson, you can learn about the typical signs of abuse and how it differs from an everyday argument.
En invierno, tenemos muchas fiestas con tradiciones divertidas. Veamos cómo se celebran en España.
In this lesson, we examine how our environment influences us and how we can still make independent decisions.
Find out interesting pieces of information about the communication of animals.
This lesson presents the development of human speech and the structure and functioning of the organs of speech.
In this lesson you will learn about the basics of speech perception and language acquisition.
Plants also move. Although they do not have muscles, they can change the position of their organs.
This lesson introduces some basic ideas about sound.
This lesson presents the structure and classification of bacteria and the role they play in our lives.
This lesson provides evidence of Earth's rotation and presents its consequences.
The lesson introduces you to the movement of Earth around the Sun.
Learn about the human sense organs and their functions and how to keep them healthy.
In this lesson, you will find out where tropical rainforests are located on Earth and learn about their fauna and flora.
The lesson presents the components of a healthy diet.
Albert Einstein’s life is surrounded by numerous legends, but the facts about him are also quite interesting.
In this lesson you will learn about the history of fire and the conditions necessary for the combustion with flame.
Let's catch a glimpse into the world of microscopic unicellular organisms!