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In winter months when it is cold enough the surface of even fast-flowing rivers can freeze.
Guilds were powerful forces in the medieval economy. Learn more about them.
The phenomenon of the brain drain causes one of the most significant tensions between developing and developed regions.
During those few thousand years, many kinds of people settled in Europe. Their way of life was in sync with environmental conditions.
Seas and oceans cover almost three-quarters of the Earth’s surface. 97.5% of the total hydrosphere is saltwater.
There is a huge gap between the socio-economic conditions of the northern and southern hemispheres. The reasons for this can be traced back to geographical and historical factors.
Straddling the River Arno and spreading out through its valley, the city has a long history. Let’s go for a walk in this town that is so rich in art relics.
Take a walk in the most popular national park in the US.
The Norwegian adventurer Thor Heyerdahl first came in contact with the inhabitants and history of Oceania during his voluntary exile.
Developed countries are the engines of the world economy, and they have the highest GNP as well as the highest living standards in the world.
People do a wide range of jobs every day. But is there a way to categorise all these jobs?
The current global economy has evolved from private enterprise.
The world’s population is very unevenly distributed across the globe. Some areas are uninhabited, while others have a population density of around 60,000 people per square kilometre.
The population pyramid is a representation of the age and gender composition of a given country.
Fog is a type of cloud that forms close to the surface of the Earth. There are places on the planet that are shrouded in fog during most of the year.
We can find direct proof of Darwinian evolution in our environment or even on our own body.
Everyone who likes fairytales, the world of kings and queens, and everyone who likes contemplating the past will see Bavaria as pure heaven on earth. The most beautiful and most splendid the castles here is the fairy tale castle of Neuschwanstein.
There are plenty of exciting, interesting stories about the modern Olympic Games.
Magic squares were known as far back as ancient times. Their special properties evoked fear in ordinary people. Many cultures even attributed magic powers to them.
Medieval women contributed to all aspects of families’ livelihood, in addition to doing the lion’s share of domestic chores.
Learn more about the origins of the ancient Olympic Games and its revival in modern times.
The apple is the best-known fruit and indeed one of the most popular fruits in the world.