The wind tunnel enables engineers to test not only the aerodynamics of the vehicle design, but also the internal and external wind noise. (topspeed.com)
Protégé Biomedical's ClotIt ® is a non-staining, blood - clotting powder made up a patent - pending compound of natural minerals that are formulated to stop bleeding quickly in minor to severe external wounds while still being gentle on animals. (animalbehaviorcollege.com)
According to Dr. Shivji, the shark's ability to «heal very quickly from external wounds is remarkable.» (businessinsider.com)