70 Million Years Ago, Days Were 30 Minutes Shorter, According to this Ancient Clam

Fossil rudist bivalves (Vaccinites) from the Al-Hajar Mountains, United Arab Emirates. Credit: Wikipedia, Wilson44691 – Own work, Public Domain

Has humanity been doing it all wrong? We’re busy staring off into space with our futuristic, ultra-powerful telescopes, mesmerized by ethereal nebulae and other wondrous objects, and trying to tease out the Universe’s well-kept secrets. Turns out, humble, ancient clams have something to tell us, too.

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