Q&A on polonium, element linked to Arafat's alleged poisoning
A look at the deadly radioactive element that Swiss scientists say was used to poison Palestinian leader Yasser Arafat
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A look at the deadly radioactive element that Swiss scientists say was used to poison Palestinian leader Yasser Arafat
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A team of Swiss experts tested the physical remains of Yasser Arafat and found unusually high levels of polonium-210
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