When Doomsday comes, Americans will tweet - Bulletin of the Atomic Scientists

The CDC studied thousands of tweets sent by panicked Hawaiians after a false ballistic missile alert last year. Conclusion: there's no escaping social media in a nuclear emergency.

Time to Stop the 'Doomsday Clock' - WSJ

Bulletin of the Atomic Scientists turns 75 - Chicago Sun-Times

Stanford Experts Reveal Latest “Doomsday Clock” Estimate

Hands of Doomsday Clock now 90 seconds from midnight

Doomsday Clock at record 90 seconds to midnight amid Ukraine

Opinion: Have Your Say on the Doomsday Clock and what it means for

Doomsday Clock just moved: It's now 2 minutes to 'midnight,' the

Hoover Institution Press Publishes Three Tweets To Midnight

What the Doomsday Clock is really counting down to: Risk of