1290 questions and answers in this section
Explain why mountains sometimes appear closer than they actually are.

Explain why mountains sometimes appear closer than they actually are.

The human brain automatically interprets landscapes using visual cues, such as the apparent size of objects, their alignment, or their overlap. This way of reading...

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Explain why do the Alps continue to rise every year?

Explain why do the Alps continue to rise every year?

The mountain range of the Alps is not a recent formation; it emerged about 30 million years ago. At that time, two large tectonic plates, the African...

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Explain why have the stones of Stonehenge been standing for millennia?

Explain why have the stones of Stonehenge been standing for millennia?

The stones of Stonehenge are arranged according to a carefully studied geometry, primarily based on circles and arcs. This organization allows the monuments to evenly...

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Explain why volcanic ash disrupts electronic devices?

Explain why volcanic ash disrupts electronic devices?

Volcanic ash is essentially a mixture of tiny rock particles and volcanic glass, ejected into the air during an eruption. They are very fine, sometimes...

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Explain why do high and low tides occur every day?

Explain why do high and low tides occur every day?

The Moon attracts the oceans thanks to its gravitational pull. Since water is fluid, it easily responds to this force, thus creating a sort of...

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Explain why some species of stars have extremely powerful magnetic fields?

Explain why some species of stars have extremely powerful magnetic fields?

When a star spins hyper-fast on itself, the plasma it contains swirls intensely, somewhat like water in a washing machine on high spin. This movement...

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Explain why are stem cells essential for regenerative medicine?

Explain why are stem cells essential for regenerative medicine?

Stem cells have a unique ability of self-renewal: they can multiply almost indefinitely while retaining their basic characteristics. It's a bit like having a personal...

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Explain why the Perito Moreno glacier in Patagonia does not completely melt despite climate change?

Explain why the Perito Moreno glacier in Patagonia does not completely melt despite climate change?

The Perito Moreno glacier remains stable because it naturally loses a significant portion of its mass through calving, a spectacular phenomenon where huge blocks of...

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Explain why do heatwaves affect agricultural production?

Explain why do heatwaves affect agricultural production?

High temperatures can greatly accelerate plant growth. At first glance, this seems nice, but it actually leaves them less time to accumulate nutrients, ultimately reducing...

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Explain why some planets do not have an atmosphere?

Explain why some planets do not have an atmosphere?

The gravity of a planet is basically its ability to hold onto everything that passes nearby. When the planet is too small, its gravitational force...

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