U.S. Study Finds Slower Breakdown of Plutonium in Stockpiled Weapons

From Science news of the week
by Eli Kintisch
A new U.S. government analysis has found that the plutonium at the heart of the country's nearly 10,000 stockpiled nuclear weapons could last twice as long as previously thought. That conclusion is likely to escalate the debate over the Bush Administration's campaign to build a new generation of weapons. (Read more.)

Full story at http://www.sciencemag.org/cgi/content/full/314/5805/1526?etoc