How do vaccines work? What is special about stem cells? How did we evolve from bacteria? The science of life can be dauntingly complex, and it can be hard to separate 'good' science from 'bad', fundamental truths from the much-hyped breakthroughs reported in the media. With clear, easy-to-understand graphics and packed with fascinating facts, 'How Biology Works' demystifies both the core biology that may have eluded us at school, and the cutting-edge life science that makes the news, answering the questions that spark our curiosity.