http://phys.org/ en-us Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Soldiers haunted by scenes of war and victims scarred by violence may wish they could wipe the memories from their minds. Researchers at the Johns Hopkins University say that may someday be possible. http://phys.org/news209754752.html Medicine & Health Tue, 23 Nov 2010 17:50:01 EST news209754752