Complex sentence: Blunt has promoted Missouri as a potential hotspot for bioscience, although he has been criticized for restricting science funding for research involving stem cells--a decision seen as discouraging the science community at large from working in the state.
Split into simpler sentences: Blunt has promoted Missouri as a potential hotspot for bioscience. He was criticized for limiting science funding for research related to stem cells; this was considered to discourage the science community at large from working in the state.