| _Caenorhabditis elegans_, happily better known as _C. elegans_ and affectionately known by the researchers who study it as "the worm," would not seem to have potential for being the focus of groundbreaking biological studies. It is only a half a millimeter long, for instance, and is a lowly nematode, living on bacteria and slime mold in temperate regions all around the world. It does, however, display rapid growth and production of subsequent generations, which made it perfect for genetic studies, and transparency, which made it perfect for microscopic analysis. But even the original researchers on the worm would have been surprised at all the work that has been done in the last forty years. _C. elegans_ is now "the most completely understood animal in history." That assessment comes in _In the Beginning Was the Worm: Finding the Secrets of Life in a Tiny Hermaphrodite_ (Columbia University Press) by Andrew Brown. In fact, the worm looms even larger in biological research; work on its genetic map grew directly into the human genome mapping project. So its story is worth telling, and Brown, a science journalist, has told it largely through descriptions of the personalities and work of the main researchers. There is little technical detail here about the worm itself, but much interesting history about how the researchers came to understand it so well. Chief of the characters is Sydney Brenner, who designated the worm as a fit source of research in the mid-1960s. Not everyone thought that the worm was the way to go, or even that trying to understand it at the molecular level was a promising avenue of research. There was more glamorous work and ostensibly more productive work going on researching fruit flies, for instance, but Brenner's team showed astonishing dedication. Almost everyone who worked in the lab came away happy, and Brenner and his main colleagues came away with Nobels. One of the most pleasing aspects of the research was how public it was. The researchers were in favor of free trade in ideas within the team, of course, but there was a high streak of idealism in sharing results with the outside world. They truly believed that the unfettered exercise of their talents was for the benefit of humanity. They insisted that sharing results (rather than, say, copyrighting or licensing them) meant it was more likely that someone would latch on to something interesting which needed further work. No one owned the genetic map they produced, and it was from the beginning available to all takers (although it is now much more accessible since biologists can log into it on the web). It is not just that free release is generous and right, but it works. John Sulston, one of the Nobel winners, said, "It was not a theoretical concept, it was a pragmatic way of moving forward." The importance of the worm in all subsequent genetic research cannot be overstated, and so this is a welcome volume to recount how the worm got to be so well understood. There have been distinct effects on the research on humans themselves. Vertebrates like humans are not descended from nematodes, but we are distant cousins with an ancient common ancestor which eight hundred million years ago solved the problems of living as a multicellular organism, and every animal ever since has inherited those solutions. In a real sense, looking at the worm is a way of looking at ourselves, with all the potential for practical knowledge that this brings. But Brown's book is an inspirational story about researchers who gambled all on the detailed understanding of a humble worm not for practicality, or for riches, but for the sake of knowledge alone. |