The economics of television syndication and DVD sales mean that there's a tremendous financial pressure to make programs that can be watched multiple times, revealing new nuances and shadings on the third viewing. Meanwhile, the Web has created a forum for annotation and commentary that allows more complicated shows to prosper, thanks to the fan sites where each episode of shows like 'Lost' or 'Alias' is dissected with an intensity usually reserved for Talmud scholars.

Most of the time, criticism that takes pop culture seriously involves performing some kind of symbolic analysis, decoding the work to demonstrate the way it represents some other aspect of society.

Most new movements start this way: hundreds or thousands of individuals and groups, working in different fields and different locations, start thinking about change using a common language, without necessarily recognizing those shared values. You just start following your own vector, propelled along by people in your immediate vicinity. And then one day, you look up and realize that all those individual trajectories have turned into a wave.

Who is giving the orders to ants? No one. They are self-organizing. Each of our immune systems get smarter over the years as its biochemical parts share information, and it responds with individualized defenses, but it isn't conscious and it has no memory. The host of that party didn't decree that everyone would gather in the kitchen, but it happened anyway. Emergence means we sometimes act in concert for better or worse.

Silicon-based life may be impossible for one other reason: silicon bonds readily dissolve in water.

The economics of television syndication and DVD sales mean that there's a tremendous financial pressure to make programs that can be watched multiple times, revealing new nuances and shadings on the third viewing. Meanwhile, the Web has created a forum for annotation and commentary that allows more complicated shows to prosper, thanks to the fan sites where each episode of shows like 'Lost' or 'Alias' is dissected with an intensity usually reserved for Talmud scholars.

Every childhood has its talismans, the sacred objects that look innocuous enough to the outside world, but that trigger an onslaught of vivid memories when the grown child confronts them.