Discusses DNA including how it is put together, how cells read DNA, and the science and technology that is being explored based on cells and DNA.

Nature's way -- Reading the manual -- Protein factories -- Gene control -- Introducing e. coli -- Chopping up DNA -- The split gene problem -- Hitting the target -- Bacterial benefits -- Turning to phages again -- Going multicellular -- Nature's genetic engineer -- Designer plants -- Transgenic animals -- Transgenic applications -- Gene therapy -- Stem cells -- The consequences of cloning -- Genome mapping -- Genome challenges.