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Brazilian scientists sampled 800 trees across 63 Amazon locations; their atomic fingerprinting model can exclude 92% of the forest when tracing suspicious timber

Wood samples being collected for cellulose isotope analysis. Credit: CENA-USP By analyzing the atomic signatures of 800 trees collected from 63 locations across the Amazon, Brazilian researchers have ...

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August 2, 2026

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Brazilian scientists sampled 800 trees across 63 Amazon locations; their atomic fingerprinting model can exclude 92% of the forest when tracing suspicious timber