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Illustrative editorial photo for tortoise; not necessarily the referenced subject or event

Independent Apep Bar reporting and analysis. Source-derived facts are attributed; where a supplied video could not be independently reviewed, its title is treated only as a starting point.

A life older than most modern inventions

Jonathan, a tortoise living on Saint Helena, is estimated to have hatched around 1832. At roughly 194 years old in 2026, he is regarded as the oldest known living land animal. His life has spanned monarchs, empires, world wars, and the digital age.

A swab rather than a risky blood draw

Researchers sequenced Jonathan’s genome using a cheek sample, according to 404 Media’s account of a 2026 Science Advances study. The team compared his genetic features with those of younger tortoises and looked at markers related to DNA repair, metabolism, and aging.

A curious mitochondrial signal

One intriguing finding concerned unusually well-preserved methylation patterns associated with mitochondria. That offers a research direction, not a recipe for human immortality. Humans and tortoises age differently, and a genetic association is not proof of a treatment.

Apep Bar asks

Could the secrets to living longer be hiding in an animal whose first century ended before most of our grandparents were born?

References and further reading

Reference 1 · Reference 2

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