Change: ) Facts about nuclear weaponsCenters for Disease Control Radiation Emergencies- fact sheets and FAQs about exposure, what to do during an emergency and how to prepare HowStuffWorks.com How Nuclear Bombs Work- summary of the physics of nuclear weapons and the different types of bombsPBS "Race   View changes from previous version. (Word count: 238)

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Change: documentary (part of the "American Experience" series), video clips of blasts,blasts and an interactive timeline Non-proliferationUnited Nations U.N. Department for Disarmament Affairs: Weapons of Mass Destruction- information about treaties and conventions concerning biological, chemical and nuclear weaponsInternational Atomic Energy Agency Department of Safeguards- information   View changes from previous version. (Word count: 215)

Change: emergency,emergency and how to prepare HowStuffWorks.com How Nuclear Bombs Work- summary of the physics of nuclear weapons and the different types of bombsPBS "Race for the Superbomb"- information about the film, video clips of blasts, and interactive timeline Non-proliferationUnited Nations U.N. Department for   View changes from previous version. (Word count: 207)

Change: - information about treaties conventions concering biological, chemical and nuclear weaponsInternational Atomic Energy Agency Department of Safeguards- information about safeguard activities including definitions, agreements and legal framework The History Channel Nuclear Arms Treaties and Negotiations: A Historical Overview- timeline of nuclear treaties from 1963 to present Safety   View changes from previous version. (Word count: 187)

Change: - HowStuffWorks.com How Nuclear Bombs WorkPBS "Race for the Superbomb" Non-proliferationUnited Nations U.N. Department for Disarmament Affairs: Weapons of Mass DestructionInternational Atomic Energy Agency Department of SafeguardsThe History Channel Nuclear Arms Treaties and Negotiations: A Historical Overview Safety of AmericaNational Nuclear Security Administration The   View changes from previous version. (Word count: 110)

Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 110)

Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 115)

Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 113)

Change: CenterCenters for Disease Control Frequently Asked Questions About a Nuclear BlastHowStuffWorks.com How Nuclear Bombs WorkPBS "Race for the Superbomb" Non-proliferationUnited Nations U.N. Department for Disarmament Affairs: Weapons of Mass DestructionInternational Atomic Energy Agency Department of SafeguardsThe History Channel Nuclear Arms Treaties   View changes from previous version. (Word count: 113)