1290 questions and answers in this section
Explain why Saturn's rings stay in place despite gravity?

Explain why Saturn's rings stay in place despite gravity?

The rings of Saturn likely come from the debris of a moon or a comet that got a bit too close and was torn apart...

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Explain why bananas ripen faster in a paper bag than on a table?

Explain why bananas ripen faster in a paper bag than on a table?

When bananas ripen, they undergo a series of internal chemical reactions, largely related to a gas called ethylene. It is this natural gas produced by...

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Explain why do caterpillars transform into butterflies during their metamorphosis?

Explain why do caterpillars transform into butterflies during their metamorphosis?

Metamorphosis is driven by specific hormones such as ecdysone, the main trigger of this radical transformation. The cells of the caterpillar completely reorganize inside the...

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Explain why some hot springs have vibrant colors?

Explain why some hot springs have vibrant colors?

Beneath our feet, the heat produced by magma warms the water present in the rock or in underground aquifers. When this water penetrates deep through...

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Explain why meteorites are magnetic.

Explain why meteorites are magnetic.

Meteoroids are often magnetic because they contain a lot of metallic minerals, notably a natural alloy of iron and nickel. This alloy is called kamacite...

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Explain why solar flares affect Earth's electrical grids.

Explain why solar flares affect Earth's electrical grids.

Solar flares, what are they basically? They are violent explosions that occur on the surface of the Sun, abruptly releasing tons of energy in the...

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Explain why the stars twinkle at night?

Explain why the stars twinkle at night?

Our atmosphere acts like a kind of dynamic filter in front of our eyes when we look at the stars. The layer of air surrounding...

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Explain why using vinegar to clean fruits and vegetables helps to remove pesticide residues more effectively than water alone.

Explain why using vinegar to clean fruits and vegetables helps to remove pesticide residues more effectively than water alone.

Vinegar effectively acts on pesticides because its main component, acetic acid, helps to break down certain chemical molecules present on fruits and vegetables. These pesticides...

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Explain why metal rusts in the presence of water?

Explain why metal rusts in the presence of water?

Rust is simply metal, often iron, that gradually reacts with oxygen in the presence of water. First, iron loses electrons: this is called oxidation. This...

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Explain why meat becomes more tender when it is marinated?

Explain why meat becomes more tender when it is marinated?

The marinade mainly works by modifying the protein structure of the meat. Marinades made with acids like lemon, vinegar, or wine affect the proteins by...

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