A New Dimension - From body parts to the building blocks of organs, 3-D printing is the new frontier for health care.

When cancer researcher Rosalie Sears, PhD, clicks the print button, ink does not spray onto a page. Instead, actual human cells issue from different heads of her 3-D printer.

In a short while, she has before her a very small tumor -- an exact replica of a patient's cancerous growth. At that point, she and her colleagues can attack the printed copy with any number of cancer treatments.
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