Oliver Gray——Works at the International Criminal Court, Lives in The Hague, Netherlands.
One radioactive isotope of chromium is used in medical research, chromium-51. This isotope is used as a tracer in studies on blood. A tracer is a radioactive isotope whose presence in a system can easily be detected.read more >>
QuesHub is a place where questions meet answers, it is more authentic than Quora, but you still need to discern the answers provided by the respondents.