Everybody poops, but only some of that poop fossilizes, turning into coprolites. While ancient droppings may sound gross — after all, who wants to go digging through feces that are centuries or even ...

In the wee hours of the morning in a lab in Amherst, Massachusetts, geoscience graduate student Rob D’Anjou sat looking over test results, a pot of coffee nearby. He’d been pulling long days to ...