DNA Interactive is an educational site celebrating the 50th anniversary of the discovery of the doublehelical structure of DNA by James Watson and Francis Crick The web site features interactive modules about the history of DNA science; discovering and reading the DNA code; manipulating the code to create tailored molecules; studying the human genome; applications of DNA research; and a chronicle of the eugenics movement These modules feature rare video interviews with scientists 3D animations and narrative text to present and explain DNA science Other materials include a teachers guide with downloadable printable lessons an online teaching community and information on further resources