We are designed to have explanations. When something happens, we say why. And when we do have an explanation, we say why we have that one. This can go on ad infinitum. Philosophers call this the problem of infinite regress, the idea that all explanation seems to need...

Suppose there is a hungry donkey with two stacks of hay in front of it. Both stacks have the same height, same distance, and same nutritional value. The donkey, being a rational animal, will attempt to make the best choice. But since the two choices are equal, the...

Let's consider the case: you are on the side of a railroad switch. A trolley is coming down the tracks and will kill five tied-up individuals who cannot move and whom you can save by doing nothing. But there is a switch, it is a switch that can divert the trolley onto...