How microbiomes and the smells they produce help shape behaviour in bugs, birds, beasts and humans
Microbes are an integral part of most, if not all multi-cellular organisms. In fact, these organisms are the way they are because of the tiny partners they house within and on them. These microbes constitute the microbiome: an “invisible organ” weighing approximately 2.5 to three kilograms in an adult human and much more in larger animals. This…