Environment

  1. Tech

    New thermal ‘cloak’ keeps spaces from getting too hot or too cold

     A prototype fabric could help keep cars, buildings and other spaces cooler during heat waves while also reducing greenhouse-gas emissions.

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  2. Materials Science

    This house is partly made of recycled diapers

    After being washed, dried, sanitized and shredded, used diapers were mixed with other materials to make a strong concrete.

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  3. 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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  4. 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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  5. Tech

    Nanocrystal ‘painted’ films may someday help relieve summer heat

    The rainbow palette and cooling powers of new plant-based films comes from their microscopic surface patterns of tiny crystals.

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  6. Environment

    Older diesel school buses linked to more student absences

    Schools that replaced or upgraded old diesel school buses increased student attendance rates, new research shows.

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  7. Environment

    Making yards more diverse can reap big environmental benefits

    Replacing grass with native plants uses less water and fewer chemicals while providing additional benefits to people and wildlife.

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  8. Earth

    A natural ‘cathedral’ lurks deep under Antarctic ice

    By drilling into this cavern, scientists have opened a window into the mysterious world of hidden lakes, their occupants — and rivers that run uphill.

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  9. Earth

    Under the ice, a hidden lake hints at its origin — and coming end

    Lake Mercer may serve as a model for better understanding the birth and life of Antarctica’s hundreds of subglacial lakes.

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  10. Chemistry

    Scientists Say: PFAS

    Non-stick coatings, stain-resistant cloth and other common materials leach long-lived PFAS into soil and water.

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  11. Tech

    Recycling rare-earth elements is hard — but worth it

    As demand for these valuable metals has been skyrocketing, scientists have begun inventing new — and greener — ways to reuse what they have in hand.

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  12. Environment

    Rare-earth mining is dirty but key to a climate-friendlier future

    That’s spurring new research to find a steady but safer supply of these precious metals, including in the United States.

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