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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...

Cardiovascular diseases Part 1

This lesson presents some types of cardiovascular diseases, including their diagnoses and...

Is glass a liquid or a solid?

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

Where will we meet?

Let's find out how many pieces of information are necessary for specifying a location.

How do birds fly? Part 1

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

How to feed your T-rex

The lesson introduces you to the features of Tyrannosaurus rex.

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