
Engineers seeking to improve helmet design for the nation’s troops test how concussive explosions affect the brain’s blood vessels. They discover that the interface between blood vessels and brain tissue contributes to significantly greater strain and shear for a soldier hit by an improvised explosive device IED.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/WGrT8NY4EAQ/150609124549.htm