Amidst all the talk about herd immunity, how to get there and whether we will, I wanted to explore what happens after we reach it.
Mathematical models of the spread of infectious diseases are a big reason I have the job I have now.
Most human societies have some kind of hierarchy, which means some folks have more of something — power, money, time — than others. And mutually beneficial cultural artifacts like aqueducts require cooperation and coordination. Yet at least in the short term, there is no advantage to the giver in yielding resources to another. This raises […]