Motion and Stability: Forces and Interactions
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Chemistry
Snail 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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Materials Science
Analyze This: This material for 3-D printing is made by microbes
Bacteria with tweaked genes pump out proteins that can be used in a 3-D printer. With microbes in the mix, the living ink can make drugs or suck up chemicals.
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Chemistry
Could 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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Chemistry
Scientists Say: Silicon
The chemical element silicon is used to make everything from bricks to cookware to electronics.
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Materials Science
This 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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Environment
A 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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Physics
Explainer: Understanding electricity
Here’s what allows you to plug in and power up the devices in your life.
By Trisha Muro -
Physics
Here’s why ducklings swim in a row behind mom
Baby ducks save energy by surfing their mother’s waves, but only if they do it in an orderly line.
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Materials Science
Analyze This: Hardened wood can make sharp steak knives
Researchers treated wood to make it hard and dense. Out of it, they carved sharp knives and nails that could substitute for ones made of steel.
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Materials Science
These colorful butterflies were printed with transparent ink
Clear ink creates a whole rainbow of colors when printed in precise, microscopic patterns. This phenomenon is known as structural color.
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Tech
Scientists 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 -
Environment
Everyday 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.