The more energy a creature uses, the more free radicals and other unstable, cell-damaging molecules its body produces. In many cases this can shorten the lifespan of the animal, but in the case of some butterflies, the opposite seems to be true.
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The Fukushima disaster seems to have caused three generations of butterflies near the nuclear plant to mutate. This has raised fears that it could affect other species as well. 12% of pale grass blue butterflies (Pseudozizeeria maha) were exposed to the nuclear fallout as larvae after the tsunami-sparked disaster.
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memoirs on a rainy day 