Chemistry

  1. Chemistry

    Hornet pigment drives solar cell in lab

    Though far from photosynthetic, an insect's light-harvesting apparatus intrigues scientists.

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  2. Chemistry

    Twisted rules of chemistry explained

    A theorist uses quantum mechanics to explain why Möbius molecules have different numbers of electrons than standard rings.

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  3. Chemistry

    Clever way to break the nitrogen-nitrogen bond

    New chemical reaction cleaves dinitrogen molecule and brings carbon and nitrogen together.

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  4. Chemistry

    Locks to learn

    A new way to probe interactions between pairs of hairs could offer insights into fly-aways and other tonsorial woes.

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  5. Science & Society

    E.T.? No. Arsenic? Yes. Maybe. Hmmm.

    NASA's bacterium news sparks criticism.

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  6. Tech

    Heavier crudes, heavier footprints

    BLOG: Refining heavy oils and tar sands could greatly exaggerate the greenhouse gases associated with fossil-fuel use, a new study finds.

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  7. Chemistry

    Bacterium grows with arsenic

    A microbe appears to substitute a normally toxic element for a basic ingredient of life, raising intriguing questions about the limits of biochemistry.

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  8. Chemistry

    Snot has the power to alter scents

    Enzymes in mice's nasal mucus can alter certain odors before the nose can detect them, a new study finds.

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  9. Chemistry

    The nitty-gritty of diamond polishing

    Researchers figure out what happens at the atomic scale when jewelers polish the hardest substance known.

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  10. Tech

    Newfound water risk: Lead-leaching valves

    Hidden elements in drinking-water lines can shed large amounts of lead, a toxic heavy metal. And it's quite legal, even if it does skirt the intent of federal regulations.

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  11. Humans

    Wine-trashing microbe identified

    In finding the source of the off-tasting molecule MDMP, researchers hope to point the way to eliminating it.

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  12. Tech

    BPA: EPA hasn’t identified a safer alternative for thermal paper

    Some researchers and public interest groups have been arguing that BPAfree thermal receipts paper is a preferable alternative, at least from a health perspective. But is it really? That’s what Environmental Protection Agency scientists want to know. And to date, they maintain, the jury’s still out.

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