MS-PS1-1

Develop models to describe the atomic composition of simple molecules and extended structures.

  1. Environment

    Did your burger come with a side of non-degrading pollutants?

    Perfluorinated compounds pollute the environment and might harm human health. A new study shows that one place they often show up is the paper and cardboard used to package fast foods.

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  2. Science & Society

    Will we know alien life when we see it?

    The hunt is on for extraterrestrials. But recognizing them may require some wiggle room in what we define as being alive.

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  3. Animals

    Cool Jobs: A world aglow

    Three scientists probe how the natural world makes light, in hopes of using this information to design new and better products.

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  4. Tech

    How to spin synthetic spider silk

    A new method for spinning artificial spider silk combines parts of proteins from two species and mimics what happens in a spider’s silk-forming gland.

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  5. Chemistry

    Here’s how hot water might freeze faster than cold

    There’s a new explanation for how hot water freezes faster than cold water. But not everyone agrees it’s right, or that the effect can happen at all.

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  6. Computing

    How to build computer chips only 3 atoms thick

    Scientists have engineered an ultrathin material only three atoms thick. The material could be used to make extremely slender computer chips.

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  7. Tech

    Fingers 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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  8. Chemistry

    Scientists 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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  9. Chemistry

    Scientists 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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  10. 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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  11. Chemistry

    Chemistry 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.’

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  12. Physics

    Math 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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