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. Chemistry

    A plant enemy’s enemy

    Plants use chemicals to recruit help in fighting off pests.

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  2. Young scientists come to Washington

    Thirty middle school students compete in the inaugural Broadcom MASTERS science challenge.

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  3. Tech

    Cars of the future

    New cars will be smarter, safer, more efficient — and able to drive themselves.

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  4. Tech

    A greener way to keep flames away

    Scientists use safer materials to create a new flame retardant.

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  5. Animals

    Lotion takes a bite out of snake venom

    Scientists discover that a cream can slow the spread of a serpent’s poison.

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  6. Science & Society

    Scientist profile: Leroy Hood

    The inventor of the DNA sequencing technique, and Albert Lasker Awardee, embarks on the next big challenge.

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  7. Enthusiasm and reward for science

    Meet the high schoolers who won the 2011 Intel Science Talent Search.

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  8. Physics

    Explainer: How a synchrotron works

    Giant magnets direct superfast light into beams up to 30 million times as bright as those produced by a laser pointer.

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  9. Tech

    Inspired by nature

    Researchers are applying lessons learned from butterflies, beetles, mussels, and other creatures to problems of human survival.

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  10. Tech

    A taste for cheese

    Researchers aim for cheese that is tastier, more nutritious, and easier to make than those now available.

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  11. Tech

    Drawing energy out of wastewater

    Microbes in a fuel cell can generate electricity from plant and animal waste in water.

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  12. Tech

    A micro-dose of your own medicine

    Medicine-delivering microchips implanted in the body could replace some injections and pills.

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