A scenario: A runaway trolley car is careening down a track. Five people stand in its path, unaware of the imminent threat. You stand at the intersection of two different tracks and could, if you ...

Leave aside whether it's offensive to reduce the value of human suffering to a bowl of candy. The now-notorious Trump campaign Skittles meme is actually a reworking of the most famous thought ...

A version of this essay first appeared in Vox on June 8, 2016. A recent article in the Huffington Post huffs about the “ifnexplicable” and “absurd” popularity of a trolley-problem-memes page created ...