Stem Cell Molecules Repair Genetic Damage Researchers report that embryonic stem cells sent molecular signals that repaired fatal genetic damage to heart cells in laboratory mice.
British Mercenary May Head to African Jail (AP) AP - From special forces commander to soldier of fortune, Simon Mann's colorful career reads like a thriller. Born to a world of wealth and privilege, the British mercenary made a fortune in some of Africa's bloodiest wars  #151; and even enjoyed a stint in the movies.