Calls for high quality research into the risks of nanotechnology date back as far as the field itself,  but now one august body has added its voice. In a report released today the US National Academy of Sciences calls for a more coordinated research strategy to cover open questions as basic as how many nanoparticles of different kinds are being released into the environment, and who is being exposed to them. “There are some significant gaps that we need to address in order to move forward,” says Rebecca Klaper, an ecologist at the University of Wisconsin-Milwaukee who served on the authoring committee.  Read more