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"Apart from the most rabid fundamentalists among us, nearly everyone admits that the Bible might contain errors -- a faulty creation story here, a historical mistake there, a contradiction or two in some other place. But is it possible that the problem is worse than that -- that the Bible actually contains lies? Most people wouldn't put it that way, since the Bible is, after all, sacred Scripture for millions on our planet. But good Christian scholars of the Bible, including the top Protestant and Catholic scholars of America, will tell you that the Bible is full of lies, even if they refuse to use the term. And here is the truth: Many of the books of the New Testament were written by people who lied about their identity, claiming to be a famous apostle -- Peter, Paul or James -- knowing full well they were someone else. In modern parlance, that is a lie, and a book written by someone who lies about his identity is a forgery. Most modern scholars of the Bible shy away from these terms, and for understandable reasons, some having to do with their clientele. Teaching in Christian seminaries, or to largely Christian undergraduate populations, who wants to denigrate the cherished texts of Scripture by calling them forgeries built on lies? And so scholars use a different term for this phenomenon and call such books "pseudepigrapha." You will find this antiseptic term throughout the writings of modern scholars of the Bible. It's the term used in university classes on the New Testament, and in seminary courses, and in Ph.D. seminars. What the people who use the term do not tell you is that it literally means "writing that is inscribed with a lie.""

"The alteration of photos for propaganda purposes has been with us as long as photography itself; it is not an invention of the digital age. But while digitally altered photographs can easily fool the eye, they often leave telltale footprints that allow them to be unmasked as forgeries. There are many famous altered photographs, from a Matthew Brady photograph of Abraham Lincoln's head composited on to John Calhoun's body to the endlessly altered photographs from Soviet Russia. An entire book, "The Commissar Vanishes," by David King, is devoted to Soviet whims about who should be included (or deleted) in photographs. In the series shown above, Stalin is accompanied by three officials, then two, then one, as they successively fall out of favor and are cropped and airbrushed into non-existence. (In the end, in a painting based on the photograph, he stands alone.) We understand Stalin's intentions by removing comrades, but what is the purpose of these Iranian missile photographs? They are clearly altered. The question remains: Why, and to what end?"

"True art would never be mistaken for a crude, paint-by-the-numbers copy. But a researcher has developed a statistical tool for determining whether a purported masterpiece is only a skilled imitation, suggesting that art may be a numbers game after all. Using high-resolution digital images and complex mathematical formulas, associate professor Hany Farid of Dartmouth College analyzed works by Renaissance artists to determine their authenticity. His computer program was able to accurately separate eight drawings by 16th century Flemish artist Pieter Bruegel the Elder from five drawings by imitators. It also found that portions of a painting by Italian artist Pietro di Cristoforo Vannucci, known as Perugino, were probably done by Perugino's apprentices. Farid described his work, presented Monday in the Proceedings of the National Academy of Sciences, as "simply another tool that is contributing to the dialogue of art authenticating" and said more work is needed before digital analysis of art could be done on a wider scale. Art experts reacted warily to the prospect that a masterpiece could be reduced to the sum of its digital parts. "