October 4, 2012 Poste, G. Biosecurity: Enhancing Security in an Increasingly Unsecure World. Guest Lecture, Biology and Society Bio 311/HPS 340; Fall 2012. Arizona State University (Oct 4, 2012) Home ยป Poste, G. Biosecurity: Enhancing Security in an Increasingly Unsecure World. Guest Lecture, Biology and Society Bio 311/HPS 340; Fall 2012. Arizona State University (Oct 4, 2012)