Thu, Jul 30 08:45 AM

Earth's Greatest Catastrophes Seem to Follow a Mysterious 27M-Year Pulse

Hacker News•Tue, Jul 28, 2026, 11:37 AM•2 min read

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Source: [Hacker News](https://www.sciencealert.com/earths-biggest-disasters-strike-in-a-hidden-pattern-every-27-million-years)

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