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 ...

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 ...

My daughter is 15 and my son is 12. They both have Instagram accounts and are not afraid to use them … Parents are often concerned about the large-scale and frequent use of social media by their ...

We usually associate friendship with human behavior, considering our exclusive domain. And that’s a fair assumption, as we don't often find animals boasting cooperative relationships beyond their ...

Citations: Leider, Stephen, Markus Mobius, Tanya Rosenblat, Quoc-Anh Do. 2009. Directed Altruism and Enforced Reciprocity in Social Networks. Quarterly Journal of Economics. (4)1815-1851.