What is polonium? An amount equivalent to the size of a particle of dust is lethal. Investigation of Arafat's death http://www.aljazeera.com/investigations/killing-arafat/what-polonium-201392016476502579.html#.UntaAtSYM6A.twitter …
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What is polonium? An amount equivalent to the size of a particle of dust is lethal. Investigation of Arafat's death http://www.aljazeera.com/investigations/killing-arafat/what-polonium-201392016476502579.html#.UntaAtSYM6A.twitter …