Beware any rock that’s oblong and cylindrical, like a stubby stone finger. It might not be a rock. It could, very likely, be a coprolite. Yes, that’s another name for fossilized feces. And if you do ...
Enterobius vermicularis, or pinworm, eggs. A parasite found in stool. Once upon a time, in a cave just north of Durango, Mexico, someone took a poop. In fact, it was quite a few someones, and these ...
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