Wind

This video presents the causes, characteristics and types of winds.

The formation of precipitation

There is water vapour in the air all the time. If the air becomes saturated with it, precipitation occurs.

The math behind gambling: Dice

In dice games the probability of certain events can be relatively easily calculated. Let’s examine two basic situations.

History of vaccines

Epidemics have been responsible for far more human loss than all the wars combined and have influenced history more than any powerful empire.

London, the oldest metropolis

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.

The Ancient Olympic Games

Learn more about the origins of the ancient Olympic Games and its revival in modern times.

Alcohol oxidation (observation)

Examining the colour of a piece of copper when exposed to heat and then ethanol vapour.

Like dissolves like (observation)

Non-polar substances dissolve in non-polar solvents while polar substances dissolve in polar solvents.

The viscosity of liquids (observation)

Have you ever thought about why honey flows so slowly from a spoon compared to water?

South Africa trailer

Our new educational videos about South Africa are coming soon.

Ivy

A popular decorative plant grown to cover porches and climb up walls of buildings.

The horizon

Imagine a flat plain with no natural landmarks. How far can we see? Where is the furthest visible point? Let's calculate it!

Magic matchstick

You can make a matchstick spinning on two coins without touching it.

The red panda

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.

Mixing substances, separating mixtures 1 (observation)

The method of separation of substances in a mixture depends on their different properties.

How to train your seal

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?

Krakow

Kraków is the second largest and one of the oldest cities in Poland.

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