Donating blood can save lives, since patients often need various blood products for their recovery.
Kraków is the second largest and one of the oldest cities in Poland.
Examination of dissolved carbon dioxide in a bottle of carbonated water.
Did the Romans really sow the lands of Carthage with salt?
When heated, powdered sulphur reacts with powdered zinc, releasing heat.
How do attendants prompt seal pups to do what they are asked to? They are even willing to come to the shore for us! How can we teach them to do that?
Watch this video to learn about the process of making a mozaVideo.
The red panda, also known as the lesser panda, is a relative of the black-and-white giant panda bear. Its home is the foothills of the Himalayas.
Have some fun with a harmless little bomb you can make at home.
This film presents the result of human interference and tampering with nature.
The Alps are the highest fold mountain range in Europe. They stretch from the Rhône valley to the Carpathian Basin. They are part of the chain of mountain...
When two substances are heated, they combine to form a compound.
Separating mixtures if one of the substances dissolves in water.
Catalysed by a few drops of water, aluminium reacts with iodine.
Water is one of our key natural resources; we must protect it vigorously.
The method of separation of substances in a mixture depends on their different properties.
An easy experiment only using balloons and thumbtacks.
An ornamental plant often grown to cover porches and walls of houses. It creates fresh and green environment.
Our new videos about the Alps are already available.
Natural, history films, stories, film clips, plays, chemical, physical and biological experiments.