According to ScienceDaily, researchers have discovered something remarkable about Heliconius butterflies: they live several times longer than their closest relatives, and many show almost no signs of aging as they grow older. Their unusual diet of flower pollen may play a role, but scientists believe deeper evolutionary changes are helping these insects stay healthy for far longer than typical. The discovery could reveal new clues about how aging works at the biological level—insights that might eventually help us understand longevity in other species, including ourselves.

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