Explaining science is basic so that citizens are well informed and free. This is what geneticist Angel Carracedo thinks, director of the Department of Legal Medicine at the University of Santiago. Often times, in scientific journals like Nature or Science, Carracedo is portrayed as a world authority in Forensic Science. And, also, as a great promoter of science. That- in a conference, organized by GCiencia for the journalism students of the USC college in Santiago- is the key so that the work of researchers can reach the mainstream.