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. Materials Science

    This glitter gets its color from plants, not a synthetic plastic

    In the new material, tiny arrangements of cellulose reflect light in specific ways to create vibrant hues in an environmentally friendly glitter.

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  2. Humans

    Snap! High-speed video captures the physics of snapping fingers

    Inspired by the infamous snap of the Avengers rival Thanos, scientists set out to investigate the physics behind finger-snapping.

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  3. Microbes

    Genes point to how some bacteria can gobble up electricity

    A new study shows how some microbes absorb and release electrons — a trait that may point to new fuels or ways to store energy.

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  4. Tech

    Someday soon, smartwatches may know you’re sick before you do

    Such an early detection of flu-like infections could tell you when to avoid others to limit the spread of disease.

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  5. Physics

    Future cars may offer personal sound zones — no earphones needed

    Zones that offer each passenger personal listening are closer to reality. A new design improves performance by adapting to the conditions in your car.

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  6. Tech

    Scientists find a ‘greener’ way to make jeans blue

    When coated onto jeans, a plant-based polymer reduces water and cuts the amount of toxic chemicals needed.

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  7. Environment

    Everyday plastics can pollute, leaching thousands of chemicals

    Plastic bags and containers leach potentially toxic chemicals into both food and water, but researchers yet don’t know how they might affect health.

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  8. Tech

    Will you learn better from reading on screen or on paper?

    Some studies find students don’t learn as well by reading on screens as from paper. But that's not always true. Here’s how to make the most of reading in either format.

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  9. Chemistry

    Chemists win Nobel Prize for faster, cleaner way of making molecules

    Both scientists independently came up with new process — asymmetric organocatalysis. That name may be a mouthful, but it’s not that hard to understand.

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  10. Tech

    A sense of touch could upgrade virtual reality, prosthetics and more

    Scientists and engineers are trying to add touch to online shopping, virtual doctor appointments and artificial limbs.

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  11. Physics

    Research on climate and more brings trio the 2021 physics Nobel Prize

    Syukuro Manabe and Klaus Hasselmann pioneered work on simulations of Earth’s climate. Giorgio Parisi probed complex materials.

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  12. Tech

    Synthetic trees could tap underground water in arid areas

    They also could also help coastal residents mine fresh water from salty sources.

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