99 secrets of biology are hidden in this book. Open it up and learn about how plants and animals, humans, and the tiny inhabitants of the microcosm work. Pictures, photos and diagrams of things "in the context" will show you how what works. Funny and simple texts will tell you about what future people will look like, why a smile is not given to all living things, why do Australia's animals need bags, how many kilograms of microbes live inside a person. Long live science without boredom and incomprehensible terms!