Scientists discover Greenland sharks can see for centuries, debunking blindness myth

Aug 4, 2026 - 18:30
Scientists discover Greenland sharks can see for centuries, debunking blindness myth

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Recent studies reveal that Greenland sharks possess well-preserved visual systems that can last for centuries, challenging the previous notion that they were nearly blind. Research shows that their eyes are uniquely suited for low-light environments, demonstrating impressive adaptability. Scientists found healthy rod cells and active genes responsible for light detection, indicating these sharks have a remarkable ability to maintain their eyesight throughout their extended lifespans.

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