Search Results for: Bacteria

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5,618 results

5,618 results for: Bacteria

  1. Tech

    Sweet-toothed microbe tapped for power

    Using a newly discovered bacterium that both frees electrons from sugars and injects those charges straight into electric circuits, scientists have created a fuel cell that converts carbohydrates to electricity with extraordinary efficiency.

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  2. Materials Science

    Nanowires grow on viral templates

    Researchers are using viruses to assemble semiconducting nanowires—the building blocks of future electronic circuits.

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  3. Smoking out microbes

    The addictive compound nicotine kills bacteria, which may explain why smokers get lung disease.

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  4. Health & Medicine

    McDonald’s Cutback in Antibiotics Use Could Reduce Drug-Resistant Bacteria

    The fast-food chain McDonald’s announced on June 19 that it will stop its farms under contract from feeding chicken, cattle, and pigs certain antibiotics intended to accelerate the animals’ growth. That step might slow or reverse the rise of antibiotic-resistant bacteria that can infect people, scientists say. HAPPIER MEAL. Coming soon to a McDonald’s near […]

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  5. Earth

    Suspended Drugs: Antibiotics fed to animals drift in air

    Borne on dust floating in and around farm buildings, antibiotics given to animals may later be inhaled by people—with possibly detrimental health effects.

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  6. Earth

    Strange crystal birth found in mine

    Deep in a Wisconsin mine, researchers have uncovered a new way for crystals to grow in nature.

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  7. Earth

    When testosterone gets down and dirty

    Testosterone excreted by livestock can pass through soils, which may explain new findings of fish-altering hormonal activity in water downstream of cattle feedlots.

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  8. Chemistry

    New solution for kitchen germs

    Acidic electrolyzed water appears to kill foodborne germs more effectively than a bath of dilute bleach.

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  9. Chemistry

    Amending the Genetic Code: Yeast adds new amino acids to its proteins

    Researchers have created yeast cells that add one of five unnatural amino acids to their natural 20-piece construction set.

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  10. Planetary Science

    Martian Methane: Carbon compound hints at life

    The presence of methane in the Martian atmosphere spotlights the possibility that there might be primitive life on the Red Planet.

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  11. Earth

    Can Banking Carbon Cool the Greenhouse?

    Stockpiling carbon dioxide in plants and soil may be effective only for the short term, if at all.

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  12. Health & Medicine

    Bacteria-Stocked Beverage Clears Pathogens from Nose

    Dangerous bacteria often take refuge deep inside peoples noses, where they can remain dormant until they find an opportunity to invade other parts of the body. Perhaps the most important of these stowaway nasal microbes is Staphylococcus aureus, which can spread to wounds and surgical incisions and cause life-threatening blood infections. As many as a […]

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