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Mercury levels in Hawaiian yellowfin tuna increasing

Mercury concentrations in Hawaiian yellowfin tuna are increasing at a rate of 3.8 percent or more per year, according to a new University of Michigan-led study that suggests rising atmospheric levels of the toxin are to blame.

Feb 02, 2015
2.8 / 5 (24) 5

Fresh nuclear leak detected at Fukushima plant

Sensors at the Fukushima nuclear plant have detected a fresh leak of highly radioactive water to the sea, the plant's operator announced Sunday, highlighting difficulties in decommissioning the crippled plant.

Feb 22, 2015
4.8 / 5 (10) 1