There's been some behind-the-scenes tweaking of the ScienceBlogs framework, which has caused some problems with commenting on other blogs (along with some other embarassing glitches, involving posts being blocked by spam filters, and fun stuff like that). I haven't heard any complaints here, but it's entirely possible that people have had comments blocked, and just given up in despair.
So, if you've had comments blocked by the system, please drop me a line (orzelc at steelypips dot org) and let me know. And if you've noticed anything else wrong with the site, this would be a good place to leave a comment.
More like this
Where encryption starts getting really interesting, in my opinion, is
block ciphers. Block ciphers are a general category of ciphers that
are sort of a combination of substitution and transposition ciphers, and
sort of something entirely different. They're really fascinating
One of the most difficult things to demonstrate scientifically is cause and effect. Often a study will show that two items—say, smoking and lung cancer—are associated with one another. But it's another thing entirely to suggest that smoking causes lung cancer in humans.
Probably not.
All right, now that you know my conclusion, let's see how to get there with data. First, some background.
Vladimir Kushnir describes how Symantec's censorware blocks access to many pro-gun websites such as nra.org, under the category 'W