Today Senator John D. Rockefeller IV (D-WV), Chair of the Senate Commerce Committee, announced that the Science and Space Subcommittee will hold a hearing on July 14, 2011, at 10:00 a.m. (EDT) on national nanotechnology investment. According to Rockefeller’s July 1, 2011, press release, as the Commerce Committee considers a reauthorization of the National Nanotechnology Initiative (NNI), the hearing will examine the potential of nanotechnology, federal initiatives to coordinate research investments, barriers to commercialization, possible environmental and health risks, and steps Congress can take to improve the return on federal nanotechnology investments.