The Soviet Union during the Stalin era

The establishment of Stalin’s dictatorial regime and its consequences.

The Hamadryas baboon

A species of monkeys with complex social structure where hierarchical system can be clearly observed.

Air transport

Air transport has become the fastest and most reliable way of travelling. Thanks to air transport, the pace of globalisation has accelerated significantly.

Air transport

Air transport has become the fastest, most reliable and most popular form of travel.

The european pond turtle

The European pond turtle can be found in swamp areas and on banks of shallow lakes.

The moon

What secrets does the Moon have? Who were the first men on the Moon? You’ll find out everything from this video.

Ailanthus

This plant that originates from China has become an invasive species.

Magnolia

Magnolia is one of the most ancient plant species. Having evolved before bees appeared, its flowers developed to encourage pollination by beetles.

Salt music

Watch this video to find out whether tap water and table salt are able to conduct electricity.

Weather fronts

When masses of cold and warm air meet, weather fronts develop.

The Jovian planets

The four outer planets (Jupiter, Saturn, Uranus and Neptune) do not have solid surfaces, thus they are called gas giants.

Cloud formation

When the temperature of the cooling air reaches dew point condensation occurs because air is unable to hold more water.

The terrestrial planets

Mercury, Venus, Earth and Mars may have they formed in much the same way, but only the Earth is lucky enough to be in the habitable zone.

Snow leopard

A fearsome predator of snowy mountains. Of all the felids the snow leopard jumps the furthest.

The clover

Thanks to its high nutritional value, the clover is an excellent fodder plant; four-leaved clovers are a real rarity and are thought to bring luck.

The Gregorian calendar

Developed nearly 500 years ago, it is a variant of the Julian calendar. Today it is the most widely used calendar.

The meerkat

Curious little animal living in underground burrows in the African savannahs.

Zebra

The striped horse of the savannahs that pedestrian crossings were named after.

The snowy owl

This owl species living in the furthest northern regions of our planet has adapted brilliantly to the harsh conditions of the taiga and the tundra.

Predation

Predators on top of the food chain prey on other animals. Their relationship is hunter and hunted.

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