News
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What’s learning to a grasshopper?
Learning the taste of nutritious food pays off in a boost to fitness, even for a grasshopper.
By Susan Milius -
AgricultureApple 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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AgricultureCocoa 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.
By Janet Raloff -
EarthPlants seen as unpredictable carbon sponge
Changing land-use practices—especially in forests, croplands, and fallow areas—appear to play a far bigger role than anticipated in determining how much carbon gets removed from the air by vegetation.