And we're back. This week's podcast features a report from a school in Nigeria where children are taking OLPC's XO-1 laptop for a test run. We'll also discuss whether bloggers are the new foreign correspondents. Then, to Italy where one company is giving people a chance to download their favorite holy images to their cell phones. And we'll finish with a look at a new theory of everything that comes courtesy of a physicist who spends as much time riding the waves as he does thinking Big Thoughts.

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