Almost every complex achievement involves teams of people. But just because cooperative effort is crucial in many situations, and working with others can help you stay accountable, it doesn’t mean that you should always default to group work. Perhaps the most important time that you want to do a lot of work alone is when you have the task of finding a creative solution to a problem. There is a tendency in these situations to gather groups together to engage in brainstorming, but the evidence is overwhelming that letting people throw ideas out to each other actually reduces the overall creativity of the group. For more situations in which working solo is the way to go, click here for the full story from Fast Company.