HS-PS2-6

Communicate scientific and technical information about why the molecular-level structure is important in the functioning of designed materials.

  1. Tech

    This high-tech sweeper is designed for super-clingy moon dust

    An electron beam is the newest tool being developed to remove sticky and damaging lunar dust from surfaces.

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  2. Environment

    Washing your jeans too much might pose risks to the environment

    Jeans shed thousands of denim fibers in every wash. Those fibers, and the chemicals used to treat them, now are showing up in even the Arctic Ocean.

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  3. Humans

    Changing climates can take cooling tips from warm regions

    When summer heat waves hit northern cities, people might look to keep cool using tropical building strategies — and forgotten architectural wisdom.

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  4. Chemistry

    How to recycle ‘nonrecyclable’ plastics

    A new process can convert some nonrecyclable plastics into a type that now can be reused. That could greatly cut down on wastes sent to landfills.

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  5. Chemistry

    New solution for carbon dioxide: Turn it into ‘green’ fuel

    Chemists have created a new way to convert carbon dioxide into ethanol. It might one day help remove excess CO2 — a greenhouse gas — from the air.

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  6. Materials Science

    Will bacterial ‘wires’ one day power your phone?

    An accidental discovery helps scientists generate electricity out of thin —but humid — air with bacteria-made protein nanowires.

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  7. Physics

    Shape-shifting cuts give shoes a better grip

    With pop-out structures inspired by kirigami and animals, a shoe sole goes from flat to spiky to boost friction on slippery surfaces such as ice.

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  8. Physics

    A contrast between shadows and light can now generate electricity

    A new device exploits the contrast between bright spots and shade to produce a current that can power small electronics.

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  9. Plants

    Silk-based microneedles may help treat diseased plants

    Engineers have invented silk microneedles to inject medicines into plants. One day farmers might use drones to dart their sick plants with meds from the air.

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  10. Space

    Astronauts may be able to make cement with their own pee

    Lunar dust and a compound found in urine might one day be used to build future dwellings on the moon, a new study finds.

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  11. Tech

    Sweat tech alerts athletes when to rehydrate — and with what

    Technology shows how the body responds to moderate and vigorous exercise. That helps athletes stay healthy — and helps scientists understand why.

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  12. Tech

    Why sports are becoming all about numbers — lots and lots of numbers

    Sports once focused on muscles, skill and tactics. Now math is becoming almost as important. It helps assess players — and improve their tools.

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