1. Chemistry

    Bitter truth about beer comes to a head

    Chemists have figured out exactly how beers develop a skunky flavor and smell.

  2. Chemistry

    Milk protein does a membrane good

    Chemical engineers have created a new type of durable membrane from whey protein, a natural component of milk.

  3. Chemistry

    Molecules, like Tinkertoys, link up

    Researchers have tailored molecules so that they self-assemble into predictable shapes on a gold surface.

  4. Chemistry

    Nobel recognizes three for handy chemistry

    The 2001 Nobel Prize in Chemistry honors research that led to new chemicals, materials, and drugs, including widely used heart medicines.

  5. Chemistry

    Nobel prize: Chemistry

    The 2001 Nobel Prize in Chemistry recognizes the development of molecules for catalyzing fundamental reactions used to make countless pharmaceuticals.

  6. Chemistry

    Burned by Flame Retardants?

    One particular class of flame retardants—polybrominated diphenyl ethers—is accumulating at alarming rates in the environment, taints human breast milk, and has toxic effects similar to the now-banned PCBs.

  7. Chemistry

    Molecules get microscopic bar code labels

    Researchers have created tiny, striped tags for labeling and tracking biologically important molecules.

  8. Chemistry

    Web Elements

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  9. Chemistry

    Novel material fights against cavities

    A new material that dentists might eventually put under fillings and braces secretes calcium and phosphate ions to rebuild teeth as cavities form.

  10. Chemistry

    Argon keeps chips and lettuce crisp

    A new technique replaces the air in food packages with argon instead of widely used nitrogen, improving taste and shelf life.

  11. Chemistry

    Tiny spheres may deliver oral insulin

    Researchers have developed microscopic spheres that can sneak insulin past the stomach so it can be absorbed in the small intestine.

  12. Chemistry

    Faster, Better, Cleaner?

    Chemists have found that a new class of compounds, called ionic liquids, can substitute for widely used, messy organic solvents while also performing better and producing new products of interest to industry.