Would we know right from wrong without religion? I have heard Paul bring this case up a few times. Acts of altruism have been witnessed in many species of animals. I think this is strongly related.
Robots show the evolution of altruism
Scientists in Switzerland have pieced together the puzzle on the evolution of unselfish behaviour. They simulated genetic evolution over hundreds of generations by using simple robots, providing evidence of kin selection. Presented in the journal PLoS Biology, the study was backed in part by the EU projects ECAGENTS and SWARMANOID with a combined funding of EUR 6.8 million.