Mice become smarter when injected with human gilal cellshttp://www.npr.org/blogs/health/2013/03/07/173531832/Human-Cells-Invade-Mice-Brains-And-Make-Them-Smarter?sc=17&f=1001 by neuralnetwork • 13 years ago 1 0 13 years agoNPnpr.org