"Radioactive cesium" refers to a form of the element cesium that emits harmful radiation.
Sentences with «radioactive cesium»
As for people, more than 3,000 individuals from a town 23 kilometers north of the stricken nuclear plant also bore detectable levels of radioactive cesium in their bodies. (scientificamerican.com)
In 2011 we tested 15 Pacific bluefin tuna, known migrants from Japan, for radioactive cesium from Fukushima. (discovermagazine.com)
Despite the fact contaminated water was dumped into the sea after the disaster, studies by Japanese and foreign labs have shown radioactive cesium in fish caught in the region has fallen and is now within Japan's food safety limits. (scientificamerican.com)