Post #2203534
2026-05-07 23:33 UTC
It is surprisingly common to find whole clam shells in everyday neighborhood concrete, since they often use sand or gravel mined from shallow aquatic environments to make the concrete. The legendary malacologist Tim Pearce from Carnegie Museum wrote about finding invasive Corbicula clams in a sidewalk! #clamFacts https://carnegiemnh.org/clams-in-the-concrete-how-old-is-this-sidewalk/
Replies (1)
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@alienghic@timeloop.cafe 2026-05-08 06:09
@dantheclamman@scicomm.xyz A dentist spotted a quite a bit rarer, ape/human jaw in some about one million year old sandstone turned into tile. https://www.smithsonianmag.com/smart-news/dentist-discovers-human-like-jawbone-and-teeth-in-a-floor-tile-at-his-parents-home-180984210/