MS-PS1-1
Develop models to describe the atomic composition of simple molecules and extended structures.
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ChemistryFingers leave tell-tale clues about you on your phone
Analyzing chemicals on a cell phone tells researchers what the caller had been up to. That includes recent meals and where they'd been.
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ChemistryScientists Say: Surface tension
Surface tension is what makes water in your glass seem like it’s covered by an invisible membrane holding it together.
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ChemistryScientists Say: Unsaturated fat
These fats are found in foods like olive oil. It’s their special bonds that make them go with the flow.
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Teen studies better cleaning through chemistry
Why do we use hot water and soap to get things clean? To find out, a teen invented a way to measure surface tension.
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ChemistryChemistry Nobel honors pioneers of world’s smallest machines
Three chemists are being honored with a Nobel Prize for their pioneering work creating itty bitty machines, including a microscopic ‘nanocar.’
By Tina Hesman Saey and Thomas Sumner -
MathMath predicts weird materials; leads to 2016 physics Nobel
The 2016 Nobel Prize in physics will go to three researchers that have made discoveries about exotic states of matter.
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Health & MedicineWhy trans fats became a food villain
Trans fats are now known as a dietary villain. But in the beginning, scientists thought they were better than butter.
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ChemistryScientists Say: Cyanide
Cyanides are poisonous. But they are more than that. This group of compounds is used in everything from mining to capturing fish.
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BrainA ‘cocktail’ in the brain can trigger sleep
A new study finds that a ‘cocktail’ of chemicals in the brain can directly cause mice to fall asleep or waken.
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PhysicsPossibility of strange new particle surprises physicists
Last winter, physicists at the Large Hadron Collider detected hints of a particle beyond their wildest dreams. Soon they may learn if it’s real.
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ChemistrySmash hit: Making ‘diamond’ that’s harder than diamonds
Scientists had suspected extreme meteorite impacts might turn graphite into an unusual type of diamond. Now they’ve seen it happen — in under a nanosecond.
By Beth Geiger -
ChemistryOlive oil untangles plastic
Vegetable oils can make plastic fibers stronger. And the process is safer and better for the environment than other detanglers.