What are the benefits of nanotechnology? Nanotechnology has the potential to provide significant benefits despite concerns / Roger W. Whatmore ; Nanotechnology is just a marketing term / Adolfo Gutierrez ; Nanotechnology concerns currently outweigh any potential benefits / Michael Buerger ; Nanotechnology can benefit the environment / Barnaby J. Feder ; Nanotechnology's health and environmental impacts are unknown / Royal Commission on Environmental Pollution ; Nanotechnology can improve global equity / Peter Singer, Fabio Salamanca-Buentello, and Abdallah S. Daar ; Nanotechnology will cause global inequity / Georgia Miller and Rye Senjen

What are the implications of molecular nanotechnology? Molecular manufacturing is possible / Eric Drexler ; Molecular manufacturing is impossible / William Illsey Atkinson ; Molecular nanotechnology can bring abundance to all mankind / Steven G. Burgess ; Molecular nanotechnology will lead to the end of the world / Britt Gillette ; Nanotechnology will contribute to a "singularity" / James John Bell ; Nanotechnology will not contribute to a "singularity" / Richard Jones

What are the implications of nanomedicine? Nanotechnology will revolutionize medicine / Alan H. Goldstein ; Nanomedicine needs realistic goals / Kostas Kostarelos ; The ethical implications of nanomedicine must be considered / Raj Bawa and Summer Johnson ; Nanomedicine will reshape humanity for the better / George Dvorsky, as told to Laura Sheahen ; Nanomedicine can hurt humanity / Nigel Cameron, as told to Laura Sheahen

What role should the U.S. play in promoting or regulating nanotechnology? The U.S. government should fund nanotechnology research / Jacob Heller and Christine Peterson ; The U.S. government should not fund nanotechnology research / Declan McCullagh ; The U.S. government should stay out of nanotechnology research / Sigrid Fry-Revere ; New nanotechnology regulations are not urgently needed / Sonia Arrison ; The government can protect the public from hazardous nanotech products / Jeff Bromme.