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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.

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 moon

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

The meerkat

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

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.


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

Peeling an egg

The acid in vinegar dissolves materials containing calcium carbonate like eggshell and snail shell.

Komodo dragon

The largest species of lizard that lives in isolation. Even a single bite of it can be fatal.


The best known cartilaginous fish, sharks, do not chew their food; they use their razor-sharp teeth only for biting and tearing.


A historic region of Croatia; its economy is mostly based on tourism and fishing.

The brachistochrone problem

Find out whether the marble reaches the finish line faster on the straight or on the curved slope.


Rocks are a composed of minerals. These minerals can often be found in their pure forms.

Views of Lake Balaton

Lake Balaton is a tectonic lake located in Hungary. It is the largest lake in Central Europe.

Shakespeare's Globe

Let's take a walk in Shakespeare’s Globe Theatre. Although the original had burnt to the ground, it was rebuilt in 1997, so that we, too, can enjoy the...

Night in motion

Look up to the sky on a clear night at the time of the New Moon and enjoy the spectacular view of myriad of stars.

Stars of the four seasons

As seasons change, we see different constellations in the night sky. The North Star is easy to identify in a picture taken with long exposure time, as it...

Ruins and castles at night

Spectacular views of beautiful castles at night.

Sceneries and the starry sky

Photographs taken at night with long exposure time may appear like they were taken during the day.


An interesting game that requires steady hands and patience!

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