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Doomsday Clock: References & Edit History
Article Contributors
Primary Contributors
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René Ostberg
René Ostberg is an associate editor at Encyclopaedia Britannica.
Other Encyclopedia Britannica Contributors
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Add new Web site: NPR - The Doomsday Clock moves to 90 seconds to midnight, signaling more peril than ever. | Jan 11, 2025 | ||
| Add new Web site: BBC - How to read the Doomsday Clock. | Jun 28, 2024 | ||
| Added illustration showing the range of Doomsday Clock settings. | Jan 24, 2024 | ||
| New article added. | Jun 16, 2023 |
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