I first wrote about Yasser Arafat and polonium-210 this summer when traces of the radioactive element were found in the personal effects of the dead former Palestinian leader. As his body was exhumed ...

As poisons go, polonium-210 is a bit of a mixed bag. Is it effective? Absolutely. If you eat a piece of polonium-210 the size of a grain of salt, it’ll probably be enough to kill the average adult.

Smokers are exposed to more polonium than nonsmokers because it's in tobacco Expert: Radiation poisoning from polonium-210 looks like the end stage of cancer Whether a radioactive substance called ...

In the late 19th century, a then-unknown chemistry student named Marie Curie was searching for a thesis subject. With encouragement from her husband, Pierre, she decided to study the strange energy ...

Whether a radioactive substance called polonium-210 was involved in Yasser Arafat’s death is under investigation. The body of the former Palestine Liberation Organization leader was exhumed Tuesday ...