Butterflies That Expend The Most Energy Live The Longest

Credit: Pave Väisänen

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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Fukushima Disaster Caused Butterflies to Mutate

fukushima-disaster

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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