Science occupies an ambiguous space in contemporary society. Scientific research is championed in relation to tackling environmental issues and diseases such as cancer and dementia, and science has made important contributions to today's knowledge economies and knowledge societies. And yet science is considered by many to be remote, and even dangerous. It seems that as we have more science, we have less understanding of what science actually is. The new edition of this popular text redresses this knowledge gap and provides a novel framework for making sense of science, particularly in relation to contemporary social issues such as climate change. Using real- world examples, Mark Erickson