Curioser and curioser

Among the terrific -- and the terrible -- aspects of the web are the many odd articles that one somehow happens upon. Setting aside the disinformation among them, and the ulcer-inducing pieces, and the hoary repetitions, we're left with ... fascinating time sinks. Herewith, several such:

In the beginning?How did life on Earth begin? There's lots of speculation, and precious little by way of answers. (I'm talking about biology here, not theology.) One theory is that life didn't begin on Earth,...