Science

Tortoise's Unique DNA Reveals Longevity Secrets

Updated 2026-10-07 18:10 UTC 1 source Neutral

Scientists have discovered that the genome of Jonathan, a 194-year-old tortoise living on St Helena island, contains exceptional DNA repair mechanisms that may explain his longevity. This research could provide insights into human aging and health.

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New Scientist

194-year-old tortoise has exceptional DNA repair systems that fight off ageing

The genome of Jonathan the giant tortoise, a 194-year-old resident of St Helena island, has been probed to understand how he has been alive for more than double his species’ average life expectancy

2026-10-07 18:00 UTC