So in the summer of 2021, Aase dropped off 5-gallon buckets at the quarries and asked diggers to toss in coprolites — the fossilized poop that is abundant at these sites. When the buckets filled, he ...

He already loved dinosaurs and fossils but had never heard of fossilised poop. “It was funny. It was gross,” he said. “But I learned very quickly it could tell us so much about our ...