Eureka! - The Science of Humans at War

What happens when you take human beings from their normal and safe environments and send them out to kill other human beings in the most abnormal and unsafe environments? How do you protect them? From sharks? From drowning in a sinking submarine? From the number one killer that is diarrhoea? This month, on Eureka, Umapagan Ampikaipakan speaks to author Mary Roach about the curious science of sending humans out to war.