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Friday, December 1, 2006 12:00 AM

Who poisoned the KGB agent?

Only a state with a highly sophisticated nuclear program could kill a person with a radioactive toxin.
By Alex Koppelman

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  • Thursday, November 30, 2006 07:27 PM

    Polonium does not an isotope of Uranium make

    I know it sounds like a quibble, but in these times of scientific mushiness and faith-based policy decisions, it's important to keep straight a few basic scientific facts. An isotope of one element is never a different element. Thus calling Polonium an isotope of Uranium is wrong. It is radioactive and is an isotope, but of Polonium, which is more commonly of the 209 atomic weight.

    —Judas Gutenberg Read Judas Gutenberg's other letters

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