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Watch the 2025 Doomsday Clock announcement on January 28

An advertisement reads, “Watch the 2025 Doomsday Clock announcement. Learn more.” Beside it is an image of the Doomsday Clock with a person moving the minute hand of it.

An advertisement reads, “Watch the 2025 Doomsday Clock announcement. On January 28th at 10:00 a.m. EST. Learn more.” Beside it is an image of the Doomsday Clock with a person moving the minute hand of it.

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