The link didn't work for me, but isn't this old news (printing cells to create an organ)? And shouldn't this be in [TECH]? Vitaliy P.S. No offense, Vasile (I know the above may sound negative, but I promise -- I did not intend it to be :) -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist