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Last week we told you about Samuel Silva, whose purportedly hand-drawn ballpoint pen sketches have wowed a lot of people on the Internet. His portrait of a Russian model was so photorealistic that many people doubted he could have done it by hand, and further, that he'd used only ballpoint pens. The real story behind his drawings has yet to be revealed.

This week, artist Mark Crilley is becoming a sensation for doing a similar kind of realistic art, but in this case, anyone can watch him do it every step of the way. In his recent YouTube video, "Realism Challenge #3: Playing Card," Crilley tapes himself, start to finish, as he draws a lifelike version of a torn playing card. As one top comment on YouTube put it, "The truth is the drawing looks even more realistic than the real [one]."

Mark Crilley's YouTube videos have been popular before, but this one has really taken off. Today,

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Blogs being turned into books is becoming more common. People select content from their blog entries and piece them together to tell a cohesive story. Success stories include "Rules for My Unborn Son," "This Is Why You're Fat," and the now controversial
"Fake Science 101: A Less-Than-Factual Guide to Our Amazing World."

"Fake Science," written by Phil Edwards and which includes content that first appeared on Tumblr, features comical and questionable advice for science students. One suggestion is "Try not to run with a lit Bunsen burner toward an explosive barrel under a hanging rabbit cage." So what's so controversial about a fake science book?

The Houston Independent School District has banned "Fake Science." An administrator replied negatively to a teacher's request to use the book, saying, "A book like that may be intended humorously, but it is mocking the quality of education

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It's not shocking anymore to hear horror stories about people getting into trouble online using social media. A Tennessee man might have made one of the worst Internet gaffes we've seen in a long time, when he uploaded a video to YouTube of a song that prosecutors say threatened a judge.

In 2010, Franklin Delano Jeffries Jr., a 38-year-old Army veteran, uploaded "Daughter's Love," a song he'd written about loving his daughter and about his frustration over the custody battle with his daughter's mother. In the song, Jeffries claims that the mother of his daughter is abusive toward her. The song, which runs nearly 6 minutes, sounds more like repeated threats against Knox County Chancellor Mike Moyers, the judge overseeing the custody battle, than a plea for help. Here's an excerpt:

"I don't care if I go to jail for 2,000 years, because this is my daughter we're talking about. I'm