Do you understand what I am telling you?

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

Can we understand the language of animals?

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

Is noise harmful?

Noise surrounds us everywhere, but it can be harmful. Let's see how.

How do we hear?

This lesson helps you understand the process of hearing.

How can humans speak?

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

Games Playing with sounds

This lesson introduces some basic ideas about sound.

How did humans conquer the air?

This lesson presents the most important milestones in the history of aviation.

What will happen to us?

Let's find solutions to the global environmental issues!

The anatomy of the heart (intermediate)

This lesson introduces the position and anatomy of the heart, as well as the blood flow and heart sounds.

Watercourses

What are the types and importance of watercourses?

What is CRISPR?

A lesson about the benefits and limitations of genetic engineering.

Is glass a liquid or a solid?

A lesson about the special properties of glass, the process of glassmaking and the various types of glass.

Water below the surface of Earth

A lesson about the various types of underground waters and their properties.

What can positioning systems be used for?

This lesson encourages the use of the Global Positioning System.

Where exactly?

Learn how to specify a location in a playful manner!

How do birds fly? Part 2

Let's examine the anatomy of birds and their vital processes from the point of view of flying.

How do birds fly? Part 1

The plumage and streamlined bodies of birds play a key role in flying.

Sound waves all around us • Part 1

This lesson is about the sound waves surrounding us.

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