Bat guano — a.k.a., droppings — preserves evidence of past fires, a recent analysis suggests, providing an “unconventional” record that could help scientists learn more about fire history. The study, ...

Bat poop—yes, bat poop—is far more fascinating than you might think. You probably don’t give it much thought (unless it’s in your attic), but believe it or not, bat droppings have shaped history, ...