Jonathan the giant tortoise is about 194 years old, the article reports.

He lives on the remote island of Saint Helena according to the article.

Scientists are studying his biology for clues to extreme longevity.

Researchers hope reptile aging pathways could inform human medicine according to the article.

Coverage frames him as the world’s oldest living land animal.

Interest spans biologists and the broader public worldwide according to the article.

Experts contrast human cellular decline with long-lived animal clocks according to the article.

Genetic work may highlight repair mechanisms that support healthy aging.

Read the full article for more details on Jonathan’s longevity research.