RAPID CITY, South Dakota, Dec. 11 -- The South Dakota School of Mines and Technology issued the following news release: Pitching a new product idea to a panel of seasoned professionals is no small feat - especially when asking them to invest hundreds of thousands of dollars. Yet, that is precisely what South Dakota Mines biomedical engineering students recently took on. As part of their Cell and Tissue Engineering lab course, four student teams showcased their inventions to a panel of "local"   more