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Science 13 January 2006:
Vol. 311. no. 5758, p. 158
DOI: 10.1126/science.311.5758.158
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News of the Week

NUCLEAR WEAPONS:
Iran's Trouble With Molybdenum May Give Diplomacy a Second Chance

Richard Stone

Iran this week vowed to resume R&D on uranium enrichment and other sensitive elements of a nuclear program alleged to include weapons research. But U.S. officials and analysts believe it will take months for Iran to solve a key technical challenge in purifying uranium isotopes--unless it gets outside help. (Read more.)

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Science. ISSN 0036-8075 (print), 1095-9203 (online)