HS-ESS3-4

Evaluate or refine a technological solution that reduces impacts of human activities on natural systems.

  1. Animals

    Cars hit more deer in the week after daylight saving time ends

    In the days right after most Americans turn back the clock, vehicle crashes with deer increase by 16 percent, a new study shows.

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  2. Environment

    This chemist uses online videos to teach about the perils of microplastics

    Imari Walker says her journey as a scientist and science communicator lets her talk about and advocate for her passion.

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  3. Environment

    Bacterial ‘living wires’ could help protect the seas and climate

    Long, thin bacteria that conduct electricity may be able to help clean up oil spills and reduce emissions of methane, a powerful greenhouse gas.

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  4. Climate

    Warming temps could turn some blue lakes green or brown

    Slightly warmer summers could cause thousands of blue lakes to become a murky green or brown, according to a tally of color in 85,000 lakes worldwide.

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  5. Chemistry

    No trees were harmed to 3-D print this piece of wood

    How clever! Scientists used print-speed adjustments to control how flat, 3-D printed shapes morph into complex wooden objects.

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  6. Materials Science

    Laser light transformed plastic into tiny diamonds

    The technique could be used to make nanodiamonds for quantum devices and other technology.

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  7. Chemistry

    No sun? No prob! A new process might soon grow plants in the dark

    Teamwork makes green-work! Collaborating scientists came up with an electrifying farming trick that could make sunlight optional.

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  8. Chemistry

    Simple process destroys toxic and widespread ‘forever’ pollutants

    Ultraviolet light, sulfite and iodide break down these PFAS molecules faster and more thoroughly than other methods.

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  9. Climate

    Coastal cities around the world are sinking, satellite data show

    Of 99 coastal cities studied, nearly one-third are sinking. This leaves coastal communities increasingly vulnerable to rising seas.

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  10. Environment

    Bubbles could help remove trash from rivers

    One young engineer devised a way to make bubbles sweep away the trash floating down a creek, like the one in her backyard.

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  11. Health & Medicine

    Your bloodstream may be littered with the plastic you’ve eaten

    For the first time, scientists have found plastic particles circulating in human blood. No one yet knows whether those polluting bits might pose a risk to health.

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  12. Chemistry

    Let’s learn about cellulose

    The world’s most abundant natural polymer is finding all kinds of new uses, in everything from ice cream to construction.

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