Why are chimpanzees in Uganda scooping up bat guano and eating it? This strange behavior, captured on trail cameras and observed over 800 times in a single year, is the fascinating centerpiece of our latest episode with disease ecologist Dr. Tony Goldberg. Tony explains how this bizarre dietary shift is linked to mineral deficiencies in the chimps’ diet, caused by the loss of raffia palm trees due to human activity. What started as a simple agricultural practice has cascaded into a complex ec...