Smoke billows from TEPCO's crippled Fukushima Daiichi nuclear power plant in March 2011. Genetic mutations have been found in three generations of butterflies from near Japan's crippled Fukushima ... more 

Smoke billows from TEPCO's crippled Fukushima Daiichi nuclear power plant in March 2011. Genetic mutations have been found in three generations of butterflies from near Japan's crippled Fukushima nuclear plant, raising fears radiation could affect other species less