The third time might be the charm for some things, but the number three after a movie title is typically shorthand for a deal with the devil.

The studio thinks there's more money to be squeezed from a particular property, and voila: Spider-Man 3, Superman III, The Godfather — God help us — Part III. OK, The Godfather's a special case. Most other threes, though, are what happens when a too-thin plot meets a too-fat budget.

If reality TV has a redeeming value, it's that it teaches you to be suspicious of claims that you're seeing real people doing real things. This is especially so in an age when memoirs bristle with made-up events, and everyone from the Kardashians to the Obamas orchestrate their media coverage. These days, it's hard to tell whether an article, book or TV show is showing you the real person or only a performance.

Twenty years ago, when brain imaging made it possible for researchers to study the minds of violent criminals and compare them to the brain imaging of "normal" people, a whole new field of research — neurocriminology — opened up.

Adrian Raine was the first person to conduct a brain imaging study on murderers and has since continued to study the brains of violent criminals and psychopaths. His research has convinced him that while there is a social and environmental element to violent behavior, there's another side of the coin, and that side is biology.

New York Times reporter C.J. Chivers, has spent much of the past year with the rebels in Syria, and has written poignantly about the impact of the fighting on the lives of ordinary Syrians and its devastating impact on that ancient land. Before becoming a journalist Chivers was a Marine and his knowledge of the military sometimes leads him to stories that only an insider would see.