March 3, 2011 Poste, G. The Impact of the Life Sciences on National Security, Presentation at: Preserving National Security – The Growing Role of the Life Sciences. UPMC Center for Biosecurity. Washington, D.C. (Mar 3, 2011) Home » Poste, G. The Impact of the Life Sciences on National Security, Presentation at: Preserving National Security – The Growing Role of the Life Sciences. UPMC Center for Biosecurity. Washington, D.C. (Mar 3, 2011)