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Penguin leg bands reveal high PFAS pollution levels in Patagonia.
Magellanic penguins in Patagonia are wearing silicone leg bands to help researchers track widespread pollution.
Over 90% of the bands detected PFAS, known as "forever chemicals," in this remote region, revealing that even new "safer" replacements are spreading globally.
The non-invasive method offers a practical way to monitor chemical exposure in hard-to-reach environments.
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Las bandas de las piernas de los pingüinos revelan altos niveles de contaminación por PFAS en la Patagonia.