1295 questions and answers in this section
Explain why are fingerprints unique to each individual?

Explain why are fingerprints unique to each individual?

During the first weeks of pregnancy, the baby's skin begins to form folds and bumps called papillary ridges. By the third or fourth month, these...

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Explain why does Mexico City (Mexico) sink every year?

Explain why does Mexico City (Mexico) sink every year?

Mexico City is situated in a basin surrounded by mountains, and originally, there was a series of shallow lakes. Over the millennia, these lakes filled...

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Explain why is the city of Venice (in Italy) so frequently flooded?

Explain why is the city of Venice (in Italy) so frequently flooded?

Venice is built in the middle of a lagoon, a coastal space where the sea and land constantly mix. Its depth is very shallow, often...

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Explain why does the city of Tromsø (in Norway) experience months without sunlight?

Explain why does the city of Tromsø (in Norway) experience months without sunlight?

Tromsø is located in the north of Norway, nearly 350 kilometers north of the Arctic Circle. This very northern location makes it one of the...

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Explain why do we have lucid dreams where we know we are dreaming?

Explain why do we have lucid dreams where we know we are dreaming?

During a lucid dream, the brain exhibits a particular activity, notably in the prefrontal cortex, an area involved in decision-making, self-criticism, and self-awareness. Normally, during...

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Explain why is the city of Coober Pedy (in Australia) built underground?

Explain why is the city of Coober Pedy (in Australia) built underground?

At the beginning of the 20th century, prospectors flocked to the region, drawn by the discovery of opal in 1915. However, the problem is that...

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Explain why is oceanographic research fundamental to understand climate change?

Explain why is oceanographic research fundamental to understand climate change?

Oceans play a major role in climate balance, particularly due to their ability to absorb a huge amount of heat from the sun. By capturing...

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Explain why does the city of Rjukan (in Norway) rely on giant mirrors to capture the sun?

Explain why does the city of Rjukan (in Norway) rely on giant mirrors to capture the sun?

The small town of Rjukan is nestled at the bottom of a narrow valley surrounded by steep mountains. Because it is located all the way...

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Explain why sheets smell better after being dried in the sun.

Explain why sheets smell better after being dried in the sun.

The sun has an effective action against a large number of microorganisms present on fabrics. When sheets dry in the sun, the ultraviolet (UV) rays...

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Explain why is the city of Baia (in Italy) currently submerged under the sea?

Explain why is the city of Baia (in Italy) currently submerged under the sea?

Baia was an ultra-trendy seaside resort in ancient Rome, located on the coast of the volcanic region of the Phlegraean Fields, near Naples. Renowned for...

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