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

    Keeping samples cool without electricity

    When vaccines and blood get too warm or cold, they can become useless. Two teens invented ways to keep their temperatures just right, no matter where they are.

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  2. Health & Medicine

    The cool science of hot peppers

    Why are chili peppers spicy? Why does anyone crave food that burns? Uncovering this fiery veggie’s secrets could help fight pain and obesity.

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  3. Computing

    DNA can now store images, video and other types of data

    Tiny test tubes might one day replace sprawling data-storage centers, thanks to a new way to encode and retrieve information on strands of synthetic DNA.

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  4. Brain

    Headed to a concert this summer? Pack earplugs

    Wearing earplugs at concerts and other loud events may prevent hearing loss and permanent ear damage, a new study suggests.

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  5. Brain

    Cool jobs: Brainy ways to battle obesity

    Scientists from different fields are tapping into connections between food and the brain to help people fight obesity and overcome the urge to overeat.

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  6. Microbes

    Plastic that mimics insect wings kills bacteria

    A new ‘antibiotic’ plastic uses nanotechnology to mimic the hairs on insect wings. Then ouch! Bacterial cells that land on it end up stabbing themselves to death.

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  7. Health & Medicine

    Ouchless measles vaccine could save lives

    A new ‘ouchless’ vaccine patch that uses dissolving microneedles could make efforts to vaccinate against measles more practical.

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  8. Tech

    Powered by poop and pee?

    Scientists are developing methods to not only remove human waste from wastewater, but also to harness the energy hidden within it.

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  9. Health & Medicine

    Cool Jobs: Researchers on the run

    Researchers are taking running to extremes, from Olympic lizards to treadmills in space. The goal is to learn how athletes of all kinds can stay healthier.

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  10. Health & Medicine

    How to print shape shifters

    3-D printing was only the beginning. Scientists are pursuing 4-D printing, creating objects that can move and interact with their surroundings.

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  11. Agriculture

    Insecticide can change a spider’s personality

    A chemical meant to kill moths affects the behavior of some spiders. It alters the spiders’ ability to capture prey — including those moths.

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  12. Brain

    To protect kids, get the lead out!

    Lead poisons hundreds of thousands of children. In Chicago, experts show how the toxic metal hurts test performance in school.

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