Handing on a sustainable future

How can we maintain resources for future generations? Economists have studied how people cooperate in groups, but they haven't looked specifically at whether individuals are happy to cooperate with future generations who cannot reciprocate. A team led by Martin Nowak of Harvard University wanted to test whether groups of people could sustain a resource over several 'generations' of players. See what happened in this handy, candy-filled Nature Video. Read the research paper: http://www.nature.com/nature/journal/vaop/ncurrent/full/nature13530.html