NYTimes.com: At the Printer, Living Tissue At the Printer, Living Tissue By HENRY FOUNTAIN At labs around the world, researchers have been experimenting with bioprinting, but there are many formidable obstacles to overcome. Copyright 2013 | The New York Times Company | NYTimes.com 620 Eighth Avenue New York, NY 10018 Share this:TwitterFacebookLike this:Like Loading... Related