Hyenas may be using bacteria to communicate
We all have bacteria that live in our bodies, helping us by breaking down food, flushing out toxins, and regulating our weight. But for hyenas and other animals with specialized scent glands, bacteria may have an additional, important role: They could be allowing hyenas to communicate with each other. https://gizmodo.com/could-the-microbes-in-your-gut-be-making-you-gain-weigh-1255281287 Top image via Chris Eason/Flickr.…