Doomsday Clock in the Yahoo! Directory

Wikipedia: Doomsday Clock
Article about doomsday clock featuring time changes, presence in popular culture including movies and television, and related links.
en.wikipedia.org/wiki/Doomsday_Clock
Damn Interesting: Doomsday Clock
History of the doomsday clock with links to sites related to nuclear destruction. Includes comments by users.
www.damninteresting.com/?p=329
5 Minutes to Midnight: The Bulletin of the Atomic Scientists' Doomsday Clock
Doomsday Clock by the Bulletin of Atomic Scientists, which shows "minutes to midnight" where midnight indicates destruction by a nuclear war. Also has time changes since 1947.
www.thebulletin.org/minutes-to-midnight
Why Do Scientists Think We're Nearing the End of the World?
An explanation of the Doomsday Clock from HowStuffWorks.com.
science.howstuffworks.com/doomsday-clock.htm
Midnight Never Came
A history of the Doomsday Clock and the Bulletin of the Atomic Scientists by Mike Moore.
www.paradigmresearchgroup.org/midnightnevercame1.html