For most of human history, our brains dealt with pretty straight forward problems. But that brain is the exact same one we now use to post pictures of our pets on social media, fill out Excel spreadsheets, and worry about the next payment on our credit card.
The traditional narrative is that humans are selfish. If pushed, the story goes, we look after ourselves first and others later. In this episode, we see how modern neuroscience has blown that myth apart.