Survival of the Friendliest – Issue 46: Balance – Nautilus

http://m.nautil.us/issue/46/balance/survival-of-the-friendliest?utm_source=RSS_Feed&utm_medium=RSS&utm_campaign=RSS_Syndication

One of the best ways to relax selective forces is to work together, something that mathematical biologist Martin Nowak has called the “snuggle for survival.”