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What secrets does the Moon have? Who were the first men on the Moon? You’ll find out everything...
Icebergs are blocks of frozen freshwater floating in the sea.
The ozone layer filters the Sun´s harmful UV radiation, therefore it is indispensable for...
Is the tundra region as cold and deserted as many people think?
Introducing the characteristics of the tropical rainforest climate
A video on the geological formation and geographical divisions of Africa.
It is a sedimentary rock with high calcium carbonate content.
Learn about animal species that emerged in the distant past and stayed mostly unchanged