Player Embed Code: <iframe width='500' height='300' scrolling='no' frameborder='0' style='border: none; overflow: hidden; width: 500px; height: 300px;' allowtransparency='true' src='https://www.dvidshub.net/video/embed/516711'></iframe> Download Embed Share DoD News In Focus: Shark Antibodies: Protecting the Warfighter Defense.gov March 31, 2017 | 1:44 Scientists from the Naval Research Laboratory are using shark antibodies to develop new alternatives to chemical and biological threat detection tools. The lab is developing antibodies that would be used to alert for the presence of bio threats on and off the battlefield.