This whale lives for centuries: its secret could help extend human lifespan

This whale lives for centuries: its secret could help extend human lifespan

A cold-activated protein that mends damaged DNA could play a part in keeping the bowhead whale in tip-top shape.

Heidi Ledford reports for Nature from Seattle, Washington.

The bowhead whale (Balaena mysticetus) can live for more than 200 years, thanks in part to a highly effective DNA-repair protein.

Encased in a blanket of blubber that is nearly half a metre thick, and with a habit of smashing head-first through Arctic ice, the 80,000-kilogram bowhead whale does not, at first glance, seem a natural poster child for health and longevity.

Author summary: Scientists study bowhead whale's longevity secret.

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Nature Nature — 2025-10-29

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