January 13, 2008 | Email | Feedback | Calendar | Archives

A TV commercial that runs in Maine says something like "You've been wanting to quit; now you have a reason." This is the smoking area in the commons near the post office. You know you are an addict when ...

A runaway trolley is about to kill a schoolteacher. You can divert the trolley onto a sidetrack, but the trolley would trip a switch sending a signal to a class of 6-year-olds, giving them permission to name a teddy bear Muhammad. Is it permissible to pull the lever? Trollyology (and evolutionary morality) explained to you by Steven Pinker, a terrific science writer.

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