HS-ETS1-3

Evaluate a solution to a complex real-world problem based on prioritized criteria and trade-offs that account for a range of constraints, including cost, safety, reliability, and aesthetics, as well as possible social, cultural, and environmental impacts.

  1. Physics

    Father and son harness magnetic fields for new type of 3-D printing

    A dad and his son have developed a new 3-D printing method in their basement. It harnesses pulsed magnetic fields to build metal objects one tiny aluminum drop at a time.

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  2. Microbes

    Teen invents a dip to keep germs away

    A teen competing in the 2017 Regeneron Science Talent Search invented an eco-friendly chemical mix. It should keep bacteria from growing on treated paper, fabrics — including wound coverings — and more.

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  3. Tech

    Scientists turn toy into valuable tool for medical diagnosis

    A human-powered ‘paperfuge,’ inspired by a toy, could serve as an easy, low-cost way to aid in medical diagnoses, even in regions of the world lacking access to electricity.

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  4. Animals

    Cool Jobs: Abuzz for bees

    These scientists are keeping bees healthy, making medicines for people from honey and constructing bee-inspired robots.

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  5. Computing

    Wired and weird: Meet the cyborg plants

    By mixing electronics with greenery, engineers have made plants that conduct electricity, detect bombs and send email.

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  6. Physics

    How to chill an object by sending its heat into space

    Researchers have designed a device that can cool an object by radiating its energy into outer space. Think of it as a solar panel in reverse.

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  7. Computing

    The Internet of Things wants to link all facets of our world

    The Internet of Things means everyday objects are becoming computers. Can people harness this technology to make the world better?

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  8. Computing

    Wind power gets downsized — but in a good way

    Two young scientists have developed ways to tap into wind power on a small scale.

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  9. Materials Science

    3-D printers offer better way to make some magnets

    3-D printers produced magnets as strong as conventional ones with less material wasted.

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  10. Computing

    Star Trek technology becomes more science than fiction

    On Star Trek, the characters used devices that seemed wild, futuristic and impossible. But those sci-fi gadgets are inspiring real-world, useful inventions.

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  11. Brain

    What makes a pretty face?

    Beautiful faces are symmetrical and average. Do we prefer them because this makes them easier for our brains to process?

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  12. Health & Medicine

    Implant traps cancer cells on the move

    A device implanted under the skin extended the life of mice with breast cancer. It trapped injected cancer cells before they created tumors in organs throughout the body.

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