100 questions and answers in this section
Explain why is the city of Ciudad Juárez (in Mexico) infamous for its repeated violence?

Explain why is the city of Ciudad Juárez (in Mexico) infamous for its repeated violence?

In Ciudad Juárez, economic inequalities are enormous: high unemployment, widespread precariousness, an underqualified population—these all create ideal conditions for violence to thrive. Many young people, without jobs...

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Explain why most people close their eyes when kissing?

Explain why most people close their eyes when kissing?

The human brain constantly processes a large amount of sensory information at the same time, coming from our eyes, skin, nose, and ears. To be...

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Explain why old stone bridges are in the shape of an arch?

Explain why old stone bridges are in the shape of an arch?

A arch bridge is highly efficient because it intelligently utilizes a simple property: it transforms weight (vertical loads) into thrusts that spread along its curve...

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Explain why socks can escape from the laundry in the washing machine?

Explain why socks can escape from the laundry in the washing machine?

When your washing machine drum starts spinning, the fast and repeated movement causes turbulence in the water, which can push your little socks over the...

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Explain why does the city of Tokyo (in Japan) have so many vending machines?

Explain why does the city of Tokyo (in Japan) have so many vending machines?

In Japan, you can't walk a few meters without coming face to face with a vending machine. The Japanese place a high value on convenience...

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Explain why do some bridges have padlocks attached to their railings?

Explain why do some bridges have padlocks attached to their railings?

The phenomenon of love locks dates back to the early 20th century. At that time, a custom inspired by a tragic love story told in...

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Explain why Dubai is setting records with its massive construction projects?

Explain why Dubai is setting records with its massive construction projects?

The wealth of Dubai historically comes from its oil, but for several years now the city has been focusing elsewhere. Today, it has chosen to...

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Explain why is the city of Ganvié (in Benin) entirely built on stilts?

Explain why is the city of Ganvié (in Benin) entirely built on stilts?

In the 17th century, the creation of Ganvié is directly linked to the difficult context of the time: the region was suffering from raids and...

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Explain why the city of Ordos (in China) is practically empty despite its infrastructures?

Explain why the city of Ordos (in China) is practically empty despite its infrastructures?

In the early 2000s, with the ambition to quickly modernize certain remote areas, China embarked on a massive urban construction program. Ordos, a city located...

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Explain why is it forbidden to be born and die in the city of Longyearbyen (in Norway)?

Explain why is it forbidden to be born and die in the city of Longyearbyen (in Norway)?

In Longyearbyen, one is in one of the northernmost inhabited places on the planet. The climate is extremely cold, with average temperatures hovering around -15...

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