More on Dunning-Kruger http://opinionator.blogs.nytimes.com/2010/06/20/the-anosognosics-dilemma-1/. An earlier discussion by Robin Hanson; All Are Skill Unaware:"However, many psychologists have noted Kruger and Dunning’s main data is better explained by positing simply that we all have noisy estimates of our ability and of task difficulty." One of the comments in robin hanson's post give link to a paper which has links to many relevant papers Incompetence and The General Chiropractic Council . See also Recommended Reading For Chiropractors
And One reason why humans are special and unique: We masturbate. A lot. (via MindHacks postWhack on, whack off). I thought bonobos might be similar but do not know. Here is a review of a recent review of book on Bonobos:Book Review: Bonobo Handshake.
From Science News Forget mice, elephants intimidated by ants : "...overall the ants have such a strong deterrent effect that they have kept a whole acacia landscape in Kenya intact despite rising numbers of elephants,"
P.S.Post from a blog, apparently specialing on Dunning-Kruger The Dunning-Kruger Effect: Can We Profit? (via Economist's View)