Chemistry

  1. Chemistry

    Novel reaction produces hydrogen

    Chemists have found a new way to produce hydrogen using only water, an organic liquid, and a metal catalyst.

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  2. Chemistry

    Cactus goo purifies water

    Scientists are working on an environmentally benign water-filtering process that uses the nopal cactus.

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  3. Chemistry

    Class Acts from New Pesticides: Chemicals have little effect on mammals

    Two new classes of selective pesticides immobilize and eventually kill many crop-damaging insects by interfering with a cell receptor unique to those pests.

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  4. Chemistry

    Presto, Change-o: New solutions could clean up chemistry

    Scientists have developed a simple technique to switch an oil-like solvent into a waterlike one.

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  5. Chemistry

    Striking Oil: High-pressure processing minimizes trans fats

    Improvements in the techniques used to hydrogenate vegetable oils could soon fill store shelves with food products containing smaller percentages of unhealthful trans fats.

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  6. Chemistry

    Inside a melting crystal

    A model crystal made of water-saturated polymer spheres shows that small defects in a crystal can cause it to melt from the inside out.

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  7. Chemistry

    Energy on Ice

    Recent efforts to unlock a frozen source of natural gas deep under the permafrost and ocean floor have energized prospects for a methane-hydrate industry.

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  8. Chemistry

    Chemical analysis deciphers biblical palette

    The first characterization of the paints used to decorate the margins of Gutenberg Bibles could help guide preservation and future restoration efforts.

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  9. Chemistry

    Boxes coated with citronella repel insects

    A fragrant grass extract known as citronella oil may deter insects from infesting cartons of food.

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  10. Chemistry

    Metal Rebel: Under extreme pressure, sodium breaks the rules for turning into liquid

    In a demonstration that defies certain basic assumptions in physics, researchers have created liquid sodium at room temperature under high pressures.

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  11. Chemistry

    Crystal clear

    Growing drug crystals on different polymer surfaces could improve a critical step in the development of pharmaceuticals.

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  12. Chemistry

    The Proper Popper: Corn kernel’s chemistry is key to its ka-pop

    The secret to better popcorn popping is the crystalline structure of the kernel's hull.

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