BRAIN PROTECTION The hand of scientist Dr. Peter Matic rests on a skull as he explains how the Naval Research Laboratory is studying how to develop helmets for U.S. Marines that will improve protection from brain injuries. The demonstration was part of the preparation for the Defense Department's first Lab Day exhibition, May 14, 2015. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 917896-W-GQJ82-459.jpg Photo Gallery