Do you think the microworld is far away? Nothing could be further from the truth. Microbes are in your bed. And on your skin, in your intestines, on your phone, your dog. With billions at a time. Most microorganisms are very useful, for curing diseases for example. Without microorganisms we would have no bread, no beer, no yogurt, and we wouldn't even be able to digest this food. Take a closer look at the micro-world here.