Here is the press release from the original research team: http://www.upenn.edu/pennnews/news/penn-researchers-improve-living-tissues-3d-printed-vascular-networ

Here is the press release from the original research team: http://www.upenn.edu/pennnews/news/penn-researchers-improve-living-tissues-3d-printed-vascular-networks-made-sugar http://www.upenn.edu/pennnews/news/penn-researchers-improve-... And a video demonstrating the process: http://www.youtube.com/watch?v=9VHFlwJQIkE http://www.youtube.com/watch?v=9VHFlwJQIkE