Scientists Took a Cheek Swab From the World's Oldest Tortoise. His DNA Could Reveal Hints to Longevity

Jonathan, an Aldabra giant tortoise, is about 194 years old and the oldest land animal alive today. Discoveries about his genetics could provide clues to extending lifespan in humans

Curated from Smithsonian Magazine. Classified as Culture & Education by AI, which sometimes makes mistakes.

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