A giant tortoise approaching his 195th birthday may hold the secret to a longer life after scientists discovered parts of his body appear far younger than his remarkable age.
Jonathan, the world’s oldest known living land animal, was born before Queen Victoria came to the throne and has long spent his days on the remote South Atlantic island of St Helena.
Now researchers have discovered signs that some of the biological machinery inside his cells appears remarkably youthful, despite his estimated age of 194.
The findings could help scientists investigate how some animals resist the effects of ageing, although further research is needed
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