HS-LS2-7

Design, evaluate, and refine a solution for reducing the impacts of human activities on the environment and biodiversity.

  1. Materials Science

    Silk-based microneedles may help treat diseased plants

    Engineers have invented silk microneedles to inject medicines into plants. One day farmers might use drones to dart their sick plants with meds from the air.

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  2. Environment

    Greener than burial? Turning human bodies into worm food

    Composting human bodies yielded good results — and good soil — in one small study. It could become an alternative to burial or cremation in one state.

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  3. Animals

    Conservation is going to the dogs

    Scientists are now training dogs to help track rare, elusive — and sometimes invasive — plants and animals.

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  4. Animals

    Drones might one day capture a dolphin’s breath in midair

    High-speed footage of dolphin spray reveals that droplets blast upward at speeds close to 100 kilometers per hour.

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  5. Chemistry

    Help for a world drowning in microplastics

    Microplastic pollution in our oceans and lakes is a problem. Scientists are testing solutions — from more biodegradable recipes to nanotechnology.

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  6. Animals

    Healthy coral reef sounds attract fish searching for a home

    Playing the sounds of a healthy reef can help attract fish to dying corals, helping rebuild their community.

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  7. Climate

    5 things to know about the climate-saving benefits of tree planting

    A recent analysis of the benefits of massive efforts to plant more trees triggered a firestorm of controversy.

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  8. Animals

    ‘Boot camp’ teaches rare animals how to go wild

    Animals raised in captivity cannot safely re-enter the wilds without first understanding how to find food and avoid becoming a predator’s lunch. Scientists are helping some species learn this.

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  9. Animals

    Ocean heat waves are on the rise — and killing coral

    Ocean heat waves are becoming hotter and more frequent. And one can be blamed for the 2016 coral deaths on the Great Barrier Reef.

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  10. Climate

    Analyze This: Climate change could make food less healthy

    Levels of important nutrients are lower in crops exposed to high levels of carbon dioxide, a greenhouse gas. How high? Try levels expected to be typical 30 years from now.

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  11. Physics

    Disabilities don’t stop these experts in science and tech

    People with disabilities are as varied as the careers some of them pursue in science, technology, engineering and math.

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  12. Agriculture

    Bee hotels are open for business

    Bee hotels are creating a buzz in conservation and research by offering nesting places for wild bees.

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