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...

Air transportation

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

Sound localization

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

gray wolf

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

Public transportation

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

Narrow-gage railway

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

Ladybug

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

airplane

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

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 and most reliable way of traveling. Thanks to air...

labor camp barracks

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

The loneliest place on Earth

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

Chilli peppers

Capsaicin is the substance responsible for the spicy heat of chilli peppers.

Left-handedness

If someone is moving clumsily, we often say he or she has two left feet. But what does our left...

Vitamins

How does our body gain access to the vitamins it needs?

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