Agriculture

  1. Agriculture

    Weed wars

    Farmers fight unwanted plants among crops.

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  2. Agriculture

    Farms sprout in cities

    The farms of the future may be where you would least expect to find them -- in towering skyscrapers in some of the world's largest cities.

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  3. Agriculture

    Flush-free fertilizer

    Scientists have found a new use for human urine — as a potent crop fertilizer.

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  4. Agriculture

    Growing healthier tomato plants

    How well tomatoes grow depends on how the plants are mulched and fertilized.

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  5. Genetics

    Animal clones: Double trouble?

    From agriculture to medicine to law, animal cloning to create genetic twins could change our lives.

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  6. Agriculture

    Protecting cows—and people—from a deadly disease

    Mad cow disease has appeared in the United States, but scientists say it can be contained easily.

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