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Ancient shell shows days were half-hour shorter 70M years ago
Fossil rudist bivalves ( Vaccinites ) from the Al-Hajar Mountains, United Arab Emirates. Credit: Wikipedia, Wilson44691 – Own work, Public Domain
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On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Mar 11, 2020 | Ancient shell shows days were half-hour shorter 70M years ago by sohkamyung | 291 | 131 |
