Red squirrel

These arboreal animals adjust easily to urban environment; it's easy to find them in gardens and city parks.

Glass manufacture

We regularly use various glass objects in our everyday lives. But how are they made?

Spoil heap

Mining is an important industrial activity, but it can cause irreversible damage to the environment and destroy the landscape.

Rubbish dump

Rubbish dumps are usually located at smaller settlements with a small population, near larger towns.

Finnish industrial areas

Finland’s economy is based mainly on paper and wood industry but the manufacture of electronic goods is also an outstanding industrial field.


Hiking is a popular leisure activity that can provide fun both in winter and summer. At dangerous places it is advisable to hire a guide.


Water is a vital element for every living being. Let’s take a look at what happens when a thirsty plant is watered.

Growing up

How does a child turn into an adult? What are the stages of development he goes through?


Hydroelectricity is clean, environmentally friendly and is a natural source of energy. An outstandingly high proportion of the electricity of Norway and...

The ring-tailed lemur

This prosimian is an excellent example for a species' evolution in geographical isolation.Lemur means 'ghost' in Latin.


In vascular plants, the root is the organ that typically lies below the surface of the soil. However, roots can also be aerial or aerating.

Field horsetail

A perennial plant with a rhizomatous stem, the length of which may reach 2-3 m. The height of the plant above ground, however, is only 50-60 cm.

Birds of prey

This video is about birds of prey that hunt mainly vertebrates.


Summer is one of the four seasons of the temperate climate zone. The days are the longest and the weather is the hottest during this season.

Fluvial incision

Upper-course river features include V-shaped valleys, interlocking rapids and waterfalls.


Mosses are plants that can be found all over the world. It is an interesting fact that even after 400 years they are able to revive as soon as sunlight...


Mushrooms have a special role in the world of living organisms. Their most important task is to decompose organic, mainly plant materials.


The order with the largest number of bird species within the class Aves. Their common characteristic is that they use the syrinx at the base of their...


Most species of sedges grow in swamps, wetlands and other watery places where they usually dominate the flora.

Siberian tiger

This tiger subspecies it is largest of all the big cats. It kills one large prey about every five days, of which it is able to devour 50 kg of meat in one go.

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