Plants have historically been a rich source of medicine. Many antibiotics used today were originally derived from natural compounds. But humans aren’t the only ones who use medicine. Granted, we’ve taken things way further than any other species on Earth, but other creatures have their own type of pharmacy. Animals from primates to bees have been found to self-medicate in one form or another — and great apes are no exception. One day, plants consumed by gorillas may provide new avenues for drug discovery, especially in the fight against drug-resistant bacteria. Wild great apes in Gabon often c…