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.
WHO urges poor nations to offer women deworming pills  PRETORIA -- The World Health Organization urged poor countries yesterday to offer deworming pills to pregnant women after a recent study in Nepal showed a 41 percent drop in the deaths of infants of mothers who took the pills before giving birth.