some isotopes can be radioactive, and that includes the ones that were released during the meltdown at the fukushima nuclear plant in japan last year. a lot of that material ended up in the pacific ocean, and scientists have been studying its impact on fish and plant life.
the results that were reported on tuesday are kind of a good news-bad news situation. bad news: the levels of radioactive materials are higher than they were before the meltdown.
the good news: they`r
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