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The geographic distribution of the world’s population

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...

Hellenistic period: Alexandria

Alexander the Great founded a number of new cities as administrative centres in which Greek culture blended with Egyptian and Persian influences.

Oasis

An oasis is an isolated area of vegetation in a desert, typically surrounding a spring or similar water source, such as a pond or small lake.

A fight for minds

The phenomenon of the brain drain causes one of the most significant tensions between developing and developed regions.

Developed countries

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.

Craft guilds

Guilds were powerful forces in the medieval economy. Learn more about them.

Desert

A desert is a barren area of land where little precipitation occurs and consequently living conditions are hostile for plant and animal life.

Masada

Masada is an ancient fortification in the Southern District of Israel. This is one of Israel's most popular tourist attractions.

The developed North and the developing South

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...

Florence, the Renaissance city

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.

Cayan Tower

Cayan Tower, known as Infinity Tower prior to its inauguration, is a 306-meter-tall, 75-story skyscraper in Dubai.

Migrant workers

The term "migrant worker" has different official meanings and connotations in different parts of the world.

The European beech

The term beech is used for several species of trees growing from North America to Asia, i.e. all over the northern temperate zone.

Saint Peter’s Basilica

The world’s largest Christian church is found in Vatican City, within the city of Rome.

The European Union

Learn about the history and economic operation of the European Union.

The math behind gambling: Dice

In dice games the probability of certain events can be relatively easily calculated. Let’s examine two basic situations.

The architecture of ancient Rome

The major edifices of ancient Rome had a significant influence on later European architecture.

Home-made lava lamp

This is how you can make a lava lamp at home.

Inseparable books

This simple experiment shows how to 'glue' two books together.

What is the resolution of the human eye?

Is the resolution of our eye comparable to that of today’s top quality films? What is the actual resolution of the human eye?

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