Evolutionary explanations of the co-existence of large-scale cooperation and warfare in human societies rest on the hypothesis of parochial altruism, the view that in-group pro-sociality and out-group anti-sociality have co-evolved. We designed an experiment that allows subjects to freely choose between actions that are purely pro-social, purely anti-social, or a combination of the two. We pres...

If we engineered systems like we produce movies, would our enterprise and endeavors prove leaner and more agile? We daydream on the greener pastures of movie making, an industry whose signature practices were born out of necessity, to adapt to major regulatory upheavals in the 30’s Hollywood, and have since proved remarkably effective & resilient. We journey through odd ways of tackling strange...

In the early days, airplanes were put together with parts designed for other purposes (bicycles, farm equipment, textiles, automotive equipment, etc.). They were then flown by their brave designers to see if the design would work--often with disastrous results. Today, airplanes, helicopters, missiles, and rockets are designed in computers in a process that involves iterating through enormous nu...

This is a qualitative research study using in-depth, semi-structured interviews with CT1–ST3 trainees in trauma & orthopaedics (T&O) to characterise the factors that affect core surgical trainees’ access operating theatre for training. There were significant reported difficulties accessing among T&O our sample. The considerable service provision demands of administrative and routine daily ward ...