Field workers spread locally-sourced bat guano fertilizer on biodynamically grown marijuana plants at the SPARC cannabis farm in Glen Ellen, Calif. on Friday, July 14, 2017. Erich Pearson's expansive ...

Add Yahoo as a preferred source to see more of our stories on Google. A mission to remove potential explosives from a remote area of Carlsbad Caverns National Park revealed the cave system’s legacy of ...

Dear Stoner: I was at my neighborhood “gardening” store recently and noticed an ingredient I was not familiar with: bat guano. What is that? Dear L.L.: The answer is poop. Bat poop, specifically.

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, ...

Wildlife like chimpanzees have started consuming bat excrement — guano — in the Budongo Forest, Uganda. After analyzing samples, scientists found that the guano not only held high concentrations of ...

A mission to remove potential explosives from a remote area of Carlsbad Caverns National Park revealed the cave system’s legacy of guano mining. The National Park Service reported it removed six boxes ...