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flag Penguin leg bands reveal high PFAS pollution levels in Patagonia.

flag Magellanic penguins in Patagonia are wearing silicone leg bands to help researchers track widespread pollution. flag Over 90% of the bands detected PFAS, known as "forever chemicals," in this remote region, revealing that even new "safer" replacements are spreading globally. flag The non-invasive method offers a practical way to monitor chemical exposure in hard-to-reach environments.

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