1. Agriculture

    Insects laughing at Bt toxin? Try this

    A new countermeasure restores the toxicity of Bt pesticides to insects that have evolved resistance.

  2. Agriculture

    Silencing Pests: Altered plants make RNA that keeps insects at bay

    Engineered plants make genetic material that disables critical genes in insects that eat the plants, offering a possible new strategy for agricultural-pest control.

  3. Agriculture

    Cleaning Up after Livestock

    Manure collection system sanitizes cattle wastes and makes hay—literally—while the sun shines.

  4. Agriculture

    They fertilized with what?

    Fields fertilized with human urine yield bigger cabbages.

  5. Agriculture

    Web Special: You fertilized with what?

    A study shows that farmers can substitute human urine for conventional fertilizer.

  6. Agriculture

    Living Rust

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  7. Agriculture

    Bugged wines

    Stinky compounds emitted by ladybugs can impart a foul taste to wines made from grapes on which the insects had been feeding.

  8. Agriculture

    Herbal Herbicides

    Scientists are tapping plants, and the self-defense chemicals they make, for new weed killers, many of which may find use in organic farming.

  9. Agriculture

    Ethanol Juggernaut Diverts Corn from Food to Fuel

    Corn feeds the production of meat and dairy goods in the United States, so those products are likely to increase in price as ethanol fuel demands more of the country's corn supply.

  10. Agriculture

    Cloned Meat and Milk Are Safe, but They Won’t Hit Stores Soon

    A Food and Drug Administration analysis concludes that food from cloned animals is safe, but the effort and expense involved in creating these animals means that products from them won't be in markets anytime soon.

  11. Agriculture

    Big footprints

    Livestock production carries surprisingly high, and largely hidden, environmental costs.

  12. Agriculture

    Wheat gone wild

    Researchers have identified a gene responsible for boosting the protein, iron, and zinc content of some varieties of wild wheat by 10 to 15 percent.