Videos
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?
Archimedes’ principle with gasses
Is there a difference between the weight of a plastic bottle filled with air and the weight of a crushed one?
Hungarian gray cattle
This gray, robust cattle breed with characteristic long and curved horns is indigenous to Hungary.
The dangers of aluminum production
The use of bauxite, which is first processed into alumina and then into aluminum, can be harmful.
gray wolf
The domestication of the wolf began more than 10000 years ago. After humans, it is the most widespread mammal.
Sound localization
Sound localization is an important element in orientation. A sound reaches the ear closest to it first.
Air transportation
Air transportation has become the fastest and most reliable way of traveling. Thanks to air transportation, the pace of globalization has accelerated...
airplane
Since the advent of air travel, huge distances can be covered fast; today any part of the world can be reached within 24 hours.
Narrow-gage railway
Narrow-gage railways can be great fun on an excursion. As they chug along, they provide a great opportunity for us to admire the scenery.
Public transportation
Public transportation is an indispensable service in big cities. There are means of transportation that run on tracks while the others are road vehicles.
archeological excavation
In archeology, excavation is the exposure, processing and recording of archeological finds.
labor camp barracks
Several labor camps were established in the communist Eastern Bloc, the existence of which was kept secret for decades.
Air transportation
Air transportation has become the fastest, most reliable and most popular form of travel.
Ladybug
The seven-spot ladybug is probably the most best-known of all the ladybirds. Its conspicuous pattern warns predators of the bug’s unpleasant taste.
The ‘sluggish’ photon
What is sunlight? How is it created, and how much time does it take for it to arrive on Earth?
The loneliest place on Earth
There is a spot in the open ocean that is 2,688 km away from the nearest land.
Where does gold come from?
Gold is a rare metal, which is often challenging and dangerous to extract. But where does it come from?
Left-handedness
If someone is moving clumsily, we often say he or she has two left feet. But what does our left side have to do with being clumsy?