"Emergence of a New World" presents a wonderful trip into the heart of new technologies which are completely changing our planet. Access to the infinitely small (Nanotechnology). Machines of a molecule size are built atom by atom. The transformation of our society is impressive and can be a worrying matter. Where are we going? Researchers from the CNRS ethics committee, philosophers and science communication specialists, observe this phenomenon and ask new questions to our society and community researchers.