'Geriatric' butterfly species lives nearly three times as long as their relatives

Researchers from the University of Bristol have discovered that Heliconius butterflies have evolved to delay aging, allowing them to live significantly longer than related species. Some individuals were observed living for nearly a year with minimal physical decline.
Why it matters
This discovery provides a new biological model for studying the mechanisms of aging and longevity in the natural world.
edited by Lisa Lock , reviewed by Robert Egan
The article is a straightforward summary of scientific research published in a peer-reviewed journal.
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