Global Funding.

The article discusses the lead of the U.S. in public investments in nanotechnology research and development (R&D), noting other nations that have established similar programs and increased funding. It notes the amount of investments in nanotechnology from public, private and corporations, led by the U.S. followed by Asia and Europe. It mentions that U.S. had fallen behind Russia and China in nanotechnology R&D funding on a purchasing power parity basis.