Jonathan, the World's Oldest Land Tortoise at 194, Shows No Genetic Signs of Aging

A new study has found that Jonathan, a 194-year-old Aldabra giant tortoise living on the South Atlantic island of Saint Helena, shows virtually no…

Jonathan, an Aldabra giant tortoise living on the British overseas territory of Saint Helena in the South Atlantic, shows virtually no genetic signs of aging despite being 194 years old, according to newly published research. The U.S. longevity resea... [3254 chars]