December 3, 2013 G. Poste. Biosecurity: Enhancing Security in an Increasingly Unsecure World. Guest Lecture, Biology and Society Bio 311/HPS 340; Fall 2013. Tempe, Arizona (Dec 3, 2013) Home ยป G. Poste. Biosecurity: Enhancing Security in an Increasingly Unsecure World. Guest Lecture, Biology and Society Bio 311/HPS 340; Fall 2013. Tempe, Arizona (Dec 3, 2013)