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  1. Tech

    Particles from tree waste could prevent fogged lenses, windshields

    A new coating made from a renewable resource — water-loving nanoparticles made from wood — could keep glass surfaces fog-free.

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  2. Math

    Let’s learn about mathematical mysteries

    There are still many mysteries about numbers, shapes and other aspects of math that have yet to be solved.

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  3. Environment

    Pumping cold water into rivers could help fish chill out

    Hundreds of salmon, trout and other fish sought shelter from summer heat in the human-made cool zones. These areas may help fish adapt to river warming.

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  4. Math

    Scientists Say: Prime number

    Prime numbers’ unique quality — being divisible only by themselves and one — makes them useful for encrypting secret information.

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  5. Animals

    These jellyfish can learn without brains

    No brain? No problem for Caribbean box jellyfish. Their simple nervous systems can still learn, a study suggests.

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  6. Tech

    Bits of trees can make and store energy for us to use

    This cellulose and lignin, two major building blocks of trees, could lead to greener electronics.

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  7. 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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  8. Planets

    Analyze This: Neptune’s cloud cover syncs up with the solar cycle

    Telescope observations hint how sunlight-driven chemistry may boost cloud cover on our solar system’s farthest planet.

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  9. Climate

    Some tree leaves are finding it too hot for photosynthesis

    Earth’s ongoing fever threatens to push entire forests toward this heat limit — and possible death.

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  10. Plants

    Young corn leaves can ‘smell’ danger

    As they mature, these leaves lose their ability to detect threatening scents.

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  11. Plants

    Scientists Say: Fertilize

    This word describes both a stage of sexual reproduction and the agricultural practice of adding nutrients to soil.

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  12. Environment

    This ecologist is looking at the Amazon’s past to save its future

    Carolina Levis researches how local communities influence the Amazon. She’s interested in how Indigenous knowledge can help protect the rainforest.

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