FILE - This Aug. 10, 2001 file photo, shows the exterior of stem cell research leader Geron Corporation, a biotechnology firm, in Melo Park, Calif. Geron Corp., a pioneer in stem cell research that ... more 
FILE - This Aug. 10, 2001 file photo, shows the exterior of stem cell research leader Geron Corporation, a biotechnology firm, in Melo Park, Calif. Geron Corp., a pioneer in stem cell research that has been testing a spinal cord injury treatment, said late Monday, Nov. 14, 2011, that it's halting development of its stem cell programs to conserve funds. It is seeking partners to take on the programs' assets and is laying off much of its staff. (AP Photo/Paul Sakuma, File) less 
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Associated Press | Photo By Paul Sakuma, File
Tue, Nov 15, 2011 12:45 PM EST