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. Tech

    Bionic plants and electric algae may usher in a greener future

    Some can aid the climate by removing pollutants. Others would just avoid dirtying the environment in the first place.

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  2. Tech

    How to prevent the robot replication apocalypse

    Today’s bot-building robots aren’t set on world domination. But scientists and philosophers want to keep future tech in check.

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  3. Science & Society

    These teens are using science to make the world a better place

    Finalists in the 2023 Thermo Fisher Scientific Junior Innovators Challenge are doing projects that aim to help others.

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  4. Earth

    Analyze This: Tropical forests have gotten patchier

    Although many of the world's forests have gotten less fragmented since 2000, tropical forests have gotten more chopped up, putting animals at risk.

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  5. Tech

    Could Star Trek replicators exist?

    Experts break down what’s possible and what’s not for this classic science-fiction invention.

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  6. Materials Science

    Made from fungi, this vegan leather can self-heal holes or rips

    If made under gentle conditions, leather formed from the “roots” of mushrooms can retain the ability to regrow and repair minor damage.

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  7. Tech

    This electronic bandage sterilizes wounds with flashes of light

    Dentists have sterilized medical equipment with ultraviolet-C light for years. Applying this tech to bandages had proven a challenge — until now.

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  8. Tech

    Gravity ‘batteries’ might help a weighty renewable-energy problem

    To store the energy generated by wind and solar power, researchers are looking at mammoth systems that raise and lower weights.

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  9. Tech

    A ‘mini cyclone’ helps detect coronavirus in the air

    A new device can detect from seven to 35 coronavirus particles per liter of air in minutes. That’s close to a PCR test’s sensitivity — but much quicker.

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  10. Climate

    For greener toilets and air conditioning, consider saltwater

    Using saltwater would allow coastal cities to save their freshwater for drinking and to reduce their carbon footprints. Some could save money, too.

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  11. Space

    Fairy tale inspiration could help rovers explore risky places

    Taking a cue from Hansel and Gretel, scientists propose a way for rovers to send back data from treacherous terrain.

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  12. Environment

    Fungi help rescue crops being harmed by microplastics

    Microplastics in the soil hinder plant growth. But two finalists at Regeneron ISEF found that fungi and farm waste can reduce the harm.

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