A wildfire burns in Quebec, Canada, in June of last year. Smoke from the fires drifted south to the United States.

Is Wildfire Smoke Causing Birds to Tend to Empty Nests?

New studies suggest smoke from western megafires may be damaging bird health and leading to strange behavior

Acorns cover the forest floor.

Why Do Trees Drop So Many Seeds One Year, and Then Hardly Any the Next?

A new paper suggests that plants may use slow seed years to prevent the spread of disease

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