Drought affects aspen survival decades later, new study finds

Drought—even in a single year—can leave aspen more vulnerable to insect infestation and other stressors decades later, a new study by NAU researchers found. Aspen trees that were not resilient to drought stayed smaller ...

Bird flu detected in Mali

Mali's agriculture ministry said on Tuesday that it had detected outbreaks of bird flu in the West African state and announced precautionary measures to "contain the disease".

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