Chemistry
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EcosystemsScientists Say: Decay
This word can refer to rotting flesh or the transformation of radioactive atoms.
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ChemistrySnail slime + gold could boost the power of sunscreens and more
These two strange ingredients could make skin-care products that are better for both our skin and the environment.
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ChemistryExplainer: What is a metal?
Metals can bend and pull without snapping, and conduct electricity. The reason: Their atoms tend to lose electrons to neighboring atoms.
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ChemistryCould reusable ‘jelly ice’ cubes replace regular ice?
These hydrogel “jelly ice cubes” are made mostly of gelatin and water. They won’t melt, even when thawed, and may provide new food cooling options.
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ChemistryScientists Say: Silicon
The chemical element silicon is used to make everything from bricks to cookware to electronics.
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Materials ScienceThis glitter gets its color from plants, not a synthetic plastic
In the new material, tiny arrangements of cellulose reflect light in specific ways to create vibrant hues in an environmentally friendly glitter.
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EnvironmentA new way to make plastics could keep them from littering the seas
Borrowing from genetics, scientists are creating plastics that will degrade. They can even choose how quickly these materials break down.
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LifeScientists Say: Experiment
An experiment is a set of procedures to learn about the world — and an important part of the scientific process.
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TechScientists find a ‘greener’ way to make jeans blue
When coated onto jeans, a plant-based polymer reduces water and cuts the amount of toxic chemicals needed.
By Shi En Kim -
ChemistryChemistry solves a French royal mystery
Ink analysis reveals the hidden words of Marie Antoinette's letters and who tried to hide them.
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EnvironmentEveryday plastics can pollute, leaching thousands of chemicals
Plastic bags and containers leach potentially toxic chemicals into both food and water, but researchers yet don’t know how they might affect health.
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ChemistryScientists Say: Electron
Electrons are negatively charged particles. They are attracted to the positively charged particles in the center, or nucleus, of an atom.