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With sweat, you can know a lot about health and crime
Sweat is a mixture of chemicals that not only signals how our body is now, but also very special for each person, when all of us have no sweat like anyone else.
Composition
Browse ScienceInfo articles and explainers related to Composition.
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Articles about Composition
143 published items.
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What is the land? How soil formed?
Here are the basic knowledge of the soil as well as the process of soil formation, invite you to consult!
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Find out how to determine material composition in just 1 minute
MEPhI University scientists have developed a new technology to directly analyze the elemental composition of material samples, without using standard samples.
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What is lava?
The term lava was first used by Francesco Serao when writing about Vesuvius' magma eruption from 14 May to 4 June 1737.
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Not magma, this is the most dangerous thing from volcanoes
The impact of the ashes from the volcano is huge. When volcanic eruptions, ash columns can reach several kilometers high, affecting a large radius.
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Why is milk white?
We often see milk white. Is milk really white, or can milk have other colors, but is our vision fooled and seeing white milk?
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Why is old paper yellowing?
If you notice, you will see some old books will have yellow reclining paper. Do you think books of the past have such yellow paper material?
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The secret of swimming pool water contains toxins
Let's find out the chemical composition of swimming pool water to find out how to know if swimming pool water is toxic or non-toxic through the following article.
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Find out the last ingredient that makes up the Earth core
After years of searching, scientists finally found the mysterious factor in the structure of the Earth's core.
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Why do corn seeds explode into popcorn?
Popcorn is a familiar and indispensable food in movie theaters. Sometimes, it becomes a favorite snack for young people.
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Chemical components of blue ballpoint pen ink
Blue ball pen ink includes dye, fatty acid and alcohol to ensure uniform ink, quick drying and paper sticking.
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Discover the 6th taste of humans
This taste helps people recognize the taste of carbohydrates and fat.
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Why is dead cockroach lying back?
Coby Schal, professor of entomology at the University of North Carolina, had an explanation of this phenomenon.
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Scientists already know exactly what in the feces we have
It may sound a bit unsanitary, but this is a cure for cell sclerosis, Crohn's disease, constipation, gastrointestinal symptoms and even Parkinson's disease.
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Why is there a clear and beautiful water beach, the other sea is opaque?
There are quite a number of reasons why the waters are different from each other. And the sea that possesses beautiful blue water is not necessarily good.