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Scientists discover tree rings reveal illegal gold mining through mercury levels in the Amazon.
Scientists have found that tree rings in the Amazon can indicate illegal gold mining by showing high levels of mercury, a pollutant released during mining.
Researchers from Cornell University took samples from fig trees and found that those near mining areas had the highest mercury levels.
This method could help authorities monitor and combat illegal mining, protecting both the environment and nearby communities.
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Los científicos descubren que los anillos de árboles revelan la extracción ilegal de oro a través de los niveles de mercurio en la Amazonía.