1. 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.

  2. 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.

  3. 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.

  4. Chemistry

    Feline stimulant fends off mosquitoes

    Preliminary results suggest that catnip may be more effective at repelling mosquitoes than the widely used chemical DEET.

  5. Chemistry

    Chemists redesign natural antifreeze

    Researchers have synthesized a family of artificial molecules that resemble the compounds that keep Antarctic and Arctic fish from freezing.

  6. Chemistry

    Carbon-70 fullerenes finally link up

    Researchers have coaxed the cage-like molecules of carbon-70 into zigzagging polymers.

  7. Chemistry

    Chemists make molecules with less mess

    Researchers have found a way for a widely used, commercially important chemical reaction to produce less pollution.

  8. Chemistry

    Chemistry of Colors and Curls

    Chemists are using new technology and experiments to discover how hair becomes damaged and how to protect it.

  9. Chemistry

    Researchers take an element off the table

    Researchers have retracted their 1999 claim that they had created the heaviest member of the periodic table so far, element 118.

  10. Chemistry

    Longest carbon-carbon bonds discovered

    Researchers have found a type of carbon-carbon bond that's twice as long as the longest naturally occurring bond linking two carbon atoms.

  11. Chemistry

    Carbon nanotubes show superconductivity

    Researchers have made individual superconductive carbon nanotubes that are just 0.4 nanometer wide.

  12. Chemistry

    Wee dots yield rainbow of molecule markers

    Chemists report a scheme for creating a versatile color-based tagging system out of tiny atomic clusters, called quantum dots, that may enable scientists to track biomolecules with more finesse than ever.