DAYTON, Ohio, Feb. 12 (UPI) -- A judge in Ohio Monday declared a mistrial in the case of a Dayton mother accused of killing her infant daughter in a microwave oven.

NEW YORK, June 13 (UPI) -- Cutting-edge nanotechnology is beginning to help advance the equally pioneering field of stem-cell research, with devices that can precisely control stem cells and provide self-assembling biodegradable scaffolds and magnetic tracking systems, experts told

NEW YORK, Jan. 23 (UPI) -- New, self-assembling, biodegradable scaffolds could help repair and regrow damaged nerve cells, possibly bringing new hope to victims of paralysis, scientists told United Press International.

UNITED PRESS INTERNATIONAL