While it is not quite as big as a Tyrannosaurus rex skeleton, fossilized poop can help paleontologists recreate lost worlds. It can tell scientists what extinct animals like dinosaurs ate, but more importantly the role that they played in their environment.

Fossilized digestive material offers unparalleled insights into the dinosaurs' diets, feeding behaviors and parasites.

Using fossilized feces and vomit samples from Poland, scientists have reconstructed how dinosaurs came to dominate the Earth millions of years ago. Researchers aren’t sure whether dinosaurs’ rise over the course of 30 million years happened because of luck,