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Unraveling the secret of life

The title of James Watson's new book, DNA: The Secret of Life, echoes the boast voiced on the day, fifty years ago, when he and Francis Crick discovered the structure of this now-famous molecule1. The inexplicable uniqueness of life has for centuries been mystery enough to elicit religious doctrine, let alone scientific research. Therefore it is fitting that, to celebrate the fiftieth anniversary of the double helix, Time's February 17, 2003 cover depicts an updated Adam and Eve standing before the biblical tree of life, each entwined in the coils of a golden helix anatomically placed to symbolize their recent loss of innocence2. In the story itself, "Solving the Mysteries of DNA", Time tells us the longsought secret that Watson and Crick's scientific discovery revealed: "The beauty of DNA is that its form is its function. It's a self-reproducing molecule that carries the instructions for making living things from one generation to the next." An accompanying molecular diagram explains exactly "How DNA Works" by making "a copy of itself."