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Are there purple cows?

Cattle is a large, domesticated vertebrate. Let's learn more about it.

The pharaohs of Ancient Egypt

The ancient Egyptian empire was led by pharaohs, considered sons of the Sun god.

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.

Tutankhamun

Breaking news: Howard Carter discovered Tutankhamun's tomb!

A glance into space

A lesson about the structure of the Universe and the Solar System.

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.

Would you like to get a puppy?

Dogs are our loyal companions. Learn about their anatomy and behaviour.

Where do flies go in the winter?

Houseflies are among the best-known animals, they can be found in every region inhabited by humans. Let's learn about these arthropods.

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