1) The Fine Line Between Plagiarism and Necessary Repetition by Chad Orzel.
2) Next generation search engines could rank sites by “talent” - in the physics arXiv blog.
3) Think atheist - a social network for those who has no shame being an atheist.
4) A Staged Scene in a Gaza Hospital? - a CNN video of a twelve year old boy, dying in the hospital, with remarks of a specialist. The (most likely) fake video, was later withdrew from the CNN website with no further comments.