Earth

  1. 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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  2. Animals

    Scientists Say: Coral

    Over 4,000 species of fish make their home among the reefs created by these colony-dwelling marine animals.

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  3. Physics

    Explainer: What is chaos theory?

    Chaos can help scientists explore subjects from climate change to human brains. Learn about the theory behind this field of science.

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  4. Climate

    Explainer: What is an atmospheric river?

    These long-traveling storm systems bring moisture to many parts of the world. Here’s what scientists are learning about them.

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  5. 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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  6. 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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  7. Fossils

    Ancient jellyfish? Upside down this one looks like something else

    A new look at an ancient sea animal called Essexella suggests it may have been a type of burrowing sea anemone, not a floating jelly.

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  8. 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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  9. Tech

    A device spots and counts honeybees hosting a dangerous parasite

    At Regeneron ISEF, three teens debuted an infrared system to detect honeybees carrying mites. It can show beekeepers when a colony needs to be treated.

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  10. 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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  11. 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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  12. 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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