Science

194-year-old tortoise reveals stable gene switches that may help resist aging

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 07/10/2026, 18:10:23 UTC.

Briefings

A 194-year-old giant tortoise named Jonathan has been identified as a potential model for studying longevity, with researchers suggesting his extended lifespan is linked to stable gene switches rather than superior genetics. This discovery, published in October 2026, marks a significant milestone in understanding biological aging, though the study remains preliminary and subject to further validation.

Key points

• Researchers identified a 194-year-old giant tortoise named Jonathan as a key model for studying longevity.
• The study suggests that Jonathan's extended lifespan is due to stable gene switches rather than superior genetics.

Context and limitations

The study is preliminary and subject to further validation. Data is limited to the single individual named Jonathan, and the specific mechanisms of gene stability remain to be fully understood.

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