In addition to being one of the few skeptics who can compete with even Randi when it comes to the level of acidity of his tongue, P. Z. Myers is also, like a typical skeptic, careless in his research. Here is an entire short blog post that one of his own respondants pointed out was incorrect:
http://scienceblogs.com/pharyngula/2009 ... p#comments
Post number 5 is the one that showed that Myers was wrong.