Though we don’t live in zoos, we often behave like animals. So many of our instincts are derived from our animal counterparts. Take the various forms of altruism as an example. In the animal kingdom, ...

In a world seemingly driven by self-interest and personal gain, one might wonder: Is altruism still alive? Has the essence of selflessness faded away amidst the chaos of modern society? These ...

There's a reason that all social groups should fall apart, which can be illustrated by the following scenario. You are a cattle farmer, sharing open pasture with 100 other farmers, and are trying to ...