The Romans plowed over the city of Carthage and sowed salt into the soil

Did the Romans really sow the lands of Carthage with salt?

The dangers of aluminum production

The use of bauxite, which is first processed into alumina and then into aluminum, can be harmful.

Archimedes’ principle with gasses

Is there a difference between the weight of a plastic bottle filled with air and the weight of a...

Narrow-gage railway

Narrow-gage railways can be great fun on an excursion. As they chug along, they provide a great...

airplane

Since the advent of air travel, huge distances can be covered fast; today any part of the world...

gray wolf

The domestication of the wolf began more than 10000 years ago. After humans, it is the most...

Ladybug

The seven-spot ladybug is probably the most best-known of all the ladybirds. Its conspicuous...

Air transportation

Air transportation has become the fastest and most reliable way of traveling. Thanks to air...

Paper airplane

Let’s make a paper airplane! How far can you throw it?

Public transportation

Public transportation is an indispensable service in big cities. There are means of...

Sound localization

Sound localization is an important element in orientation. A sound reaches the ear closest to it...

Hungarian gray cattle

This gray, robust cattle breed with characteristic long and curved horns is indigenous to Hungary.

archeological excavation

In archeology, excavation is the exposure, processing and recording of archeological finds.

Air transportation

Air transportation has become the fastest, most reliable and most popular form of travel.

labor camp barracks

Several labor camps were established in the communist Eastern Bloc, the existence of which was...

Rome (trailer)

Our new videos about the architecture and art of ancient Rome are already available.

South Africa trailer

Our new educational videos about South Africa are coming soon.

The loneliest place on Earth

There is a spot in the open ocean that is 2,688 km away from the nearest land.

Society (trailer)

Our new videos about society are already available.

Added to your cart.