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Saliva, a versatile body fluid

In this lesson you will learn more about this special liquid.

Games Playing with sounds

This lesson introduces some basic ideas about sound.

Do you understand what I am telling you?

In this lesson you will learn about the basics of speech perception and language acquisition.

How can humans speak?

This lesson presents the development of human speech and the structure and functioning of...

How do we hear?

This lesson helps you understand the process of hearing.

Can we understand the language of animals?

Find out interesting pieces of information about the communication of animals.

How does soil form?

This lesson presents soil formation, the components of soil, and soil protection.

The secret life of newborns

Learn more about the early stages of human development with this lesson.

The industrial revolution and its consequences

The lesson makes a thorough presentation of the period of the Industrial Revolution and...

How did we conquer space?

This lesson presents the history of human space flight.

What is infrared radiation?

In this lesson you can learn about infrared radiation.

The physics of bicycles

This lesson presents some of the laws of physics through the operation of the bicycle.

Which devices do we use infrared light?

You can learn about the use of infrared radiation in our everyday lives.

Are all forests alike?

This lesson presents the different types of forests and their layers.

How does our heart beat?

This lesson presents the structure and functioning of the heart and how it can be protected.

Prehistoric artists

Travel back in time and explore the beginnings of art, familiarise yourselves with the...

Is water essential for life?

Water is one of the most important substances on Earth. Let's learn more about it.

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