Risky Business

Not many people have to specify that they don't think it's a good thing that cigarettes kill people. But W. Kip Viscusi mentions it nonetheless because his work--and its subject matter--can be oversimplified, he says. Not to mention vilified.

Book of the Times

Most of us accept our experience of time as “natural,” when in fact it’s shaped by society and its laws, says Professor Todd Rakoff, author of what may be the first book on the topic.