Strontium 90: One of the radioisotopes of strontium; part of radioactive fallout, harmful to human health.

After being exposed to a large amount of radiation, vomiting and diarrhea will start quickly.

In fact, the inhabitants have been exposed to radioactive rays.

The smaller the body, the more likely the person will suffer from the ill effects of radiation.

The infant has been exposed to radioactive rays.

It's evident that human behaviour is more dangerous for the environment than radiation.

It is feared that radiation will spread across every region of Japan, starting with Tokyo.

It is difficult to determine the state and safety of the radiation leakage.

TEPCO is unable to stop the flow of dirty water contaminated with highly radioactive material.

Radioactive contamination was detected in spinach and edible chrysanthemum.

Radioactive cesium in amounts exceeding limits has been measured on young lancefish caught in Fukushima prefecture.

Positron Emission Tomography uses a radioactive tracer to visualize metabolic activity within the human body.

The level of fear that the Germans now have towards nuclear power has reached hysterical levels.

In Japan, radioactive cesium was detected in baby formula.

The problem of radioactive waste remains unresolved.