Dylan Garcia Photography/Alamy
Could it be possible that another life form in the universe has a lifespan measured in many hundreds or thousands of our years?
Herman D’Hondt
Sydney, Australia
We don’t even need to look elsewhere, as there are quite a few species on Earth with very long lifespans.
The oldest living individual land animal is a Seychelles tortoise, with an estimated age of 192 years. He is still going strong and may well live beyond 200 years. In the ocean, the longest-lived vertebrate is the Greenland shark, with a lifespan of several centuries. By carbon dating the inside of its…
