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Feb 2, 2026, 2:43 pm101 pts
Ars Technica
For most of their evolutionary history, narwhals have relied more on sound than sight to survive in the Arctic’s dark icy waters. The speckled toothed whales—sometimes referred to as “unicorns of the sea” for the long, spiral tusks that protrude from the heads of males—navigate, hunt, and communicate…
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