Chemistry

  1. Chemistry

    Alien Pizza, Anyone?

    Although many biochemical molecules come in left-handed and right-handed versions, life on Earth uses one version exclusively, and some controversial experiments suggest this preference might not be due to chance.

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  2. Chemistry

    Soot Sense: Test tallies exposure to diesel pollution

    A chemical in urine reveals a person's exposure to diesel exhaust.

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  3. Chemistry

    Gooey solution to a sticky problem

    A new, gooey, and potentially useful protein has been extracted from the bodies of jellyfish that overpopulate the seas around Japan.

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  4. Chemistry

    A sweet way to replace petroleum?

    Thanks to a new chemical process, many products now manufactured from petroleum could one day be made from sugar molecules.

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  5. Chemistry

    Beyond Ethanol: Synthetic fuel offers promising alternative

    A faster, simpler manufacturing technique could make a synthetic biofuel into an even stronger competitor to ethanol.

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  6. Chemistry

    In a Fix: Agricultural chemicals disturb a natural relationship

    Several pesticides can disrupt a partnership that enables certain plants to take up nitrogen by enlisting the help of bacteria.

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  7. Chemistry

    Packaging Peril: Chemicals in food wrapping turn toxic

    Chemicals that prevent grease from seeping through food packaging can transform into a suspected carcinogen.

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  8. Chemistry

    Onward, microbes

    With a tweak to their genetic codes, bacteria have been coaxed to follow a chemical trail of a researcher's choosing.

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  9. Chemistry

    Cleaning Treasures: Safer solvents for restoring frescoes

    Solvents in nanoscale droplets can be used to clean centuries-old frescoes, saving them from the unintended consequences of previous restorations.

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  10. Chemistry

    Gene dispensers

    A new gene therapy technique releases genetic material from successive nanoscale layers of DNA as sheets of polyester that hold them in place slowly degrade.

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  11. Chemistry

    Enzymes release caged chemicals

    A new controlled-release technology relies on enzymes to unshackle a chemical only when and where it's needed.

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  12. Chemistry

    That’s a Wrap: Polymer coatings fortify pancreas cells

    A technique that encapsulates cells in polymer might one day benefit people who receive pancreas-cell transplants for diabetes.

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