How lakes disappear

On a geological time scale lakes are short-lived.

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Weather and climate

Climate is the typical weather of a certain region that changes practically only on a geological...


People have always preferred to settle near rivers. What are the advantages and disadvantages of...


The last Ice Age ended about 13 thousand years ago.

The weather forecast

The weather can be forecast with different meteorological instruments.

The Jovian planets

The four outer planets (Jupiter, Saturn, Neptune and Uranus) do not have solid surfaces, thus...

Eroded fault-block mountains

We can come across the remains of the Variscan and Caledonian mountain systems almost anywhere...

The formation of fog

Fog is a type of cloud that forms close to the surface of the Earth. There are places on the...

Karst region (intermediate)

Karst formations include dolines and dripstones.

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