This video presents the causes, characteristics and types of winds.
There is water vapour in the air all the time. If the air becomes saturated with it, precipitation occurs.
In dice games the probability of certain events can be relatively easily calculated. Let’s examine two basic situations.
Epidemics have been responsible for far more human loss than all the wars combined and have influenced history more than any powerful empire.
A financial and trading capital with 12.5 million residents, 43 universities, 400 km of underground lines. This is what a true metropolis looks like.
Learn more about the origins of the ancient Olympic Games and its revival in modern times.
Examining the colour of a piece of copper when exposed to heat and then ethanol vapour.
Decomposition of ammonium dichromate by heating.
Watch the egg losing its shell.
Non-polar substances dissolve in non-polar solvents while polar substances dissolve in polar solvents.
Have you ever thought about why honey flows so slowly from a spoon compared to water?
Our new educational videos about South Africa are coming soon.
A popular decorative plant grown to cover porches and climb up walls of buildings.
Imagine a flat plain with no natural landmarks. How far can we see? Where is the furthest visible point? Let's calculate it!
You can make a matchstick spinning on two coins without touching it.
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.
The method of separation of substances in a mixture depends on their different properties.
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?
Did the Romans really sow the lands of Carthage with salt?
Kraków is the second largest and one of the oldest cities in Poland.