At a moment of great discovery, one Big Idea can change the world... The discovery by Francis Crick and James Watson of DNA- the very building blocks of life - has astounding implications for mankind's future.Not only in the scientific possibilities of cloning, life expectancy and medical research, but also in our everyday lives - such as forensics and the genetic engineering of food.But with this discovery have come important ethical questions... Crick, Watson & DNA is an engaging and accessible examination of these two scientists' lives, radical work and legacy.Theirs was a frantic race against other scientists to understand the structure of DNA.Their Big Idea extends even beyond their monumental achievement to the moral implications that have arisen from it. The Big Idea series is a fascinating look at the greatest advances in our scientific history, and at the men and women who made these fundamental breakthroughs.