What do mutual grooming, politeness, priestly celibacy, military heroism, car insurance, and overwork have in common? All are probable examples of the recently discovered evolutionary mechanism called ...

Guest Opinion. Altruism is helping without a benefit and sometimes at a risk to one’s self. Animals helping others of their own species makes sense to perpetuate the species or help continue their own ...

The evolutionary theories of helping assume reciprocity, genetic relatedness or group selection. The evolution of an altruistic act, that is, a costly act by an individual that benefits another ...

Is it just me, or do we all find ourselves, every now and again, feeling like we need to apologize? In my life, this often arises in situations like the following: “Sorry I was late – I really ...

Cooperation in animals has long been a major focus in evolutionary biology. In particular, reciprocal altruism, where helpful acts are contingent upon the likelihood of getting help in return, is ...

Is it just me, or do we all find ourselves, every now and again, feeling like we need to apologize? In my life, this often arises in situations like the following: “Sorry I was late – I really ...

Opinions expressed by Entrepreneur contributors are their own. I’m not much of a “new-age” guy. Yet, I believe in the immense power of the Law of Reciprocity. This concept touches upon the deep-rooted ...