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  1. What’s learning to a grasshopper?

    Learning the taste of nutritious food pays off in a boost to fitness, even for a grasshopper.

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  2. Agriculture

    Apple pests stand up to antibiotics

    Scientists are concerned about new forms of antibiotic resistance cropping up in fire blight—a deadly disease of apple trees.

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  3. Agriculture

    Cocoa yields are mushrooming—downward

    A mushroom epidemic in Brazilian cacao trees, which has cut the production of cacao by 25 percent in 5 years, may be treatable with another fungus.

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  4. 19127

    It occurs to me that the techniques described in this article could have a wide variety of applications outside the biological sciences.