Another one that I frequent is nodal point
Its a bit different format, being a home for bioinformatics blogs. Lots of interesting content however.
Here is an excerpt from a recent post that should be relevant to the bioinformatics community -
"One of the most spectacular flameouts in science happened last year. In a short letter (barely over 300 words long) published in Science in the very last issue of 2006, Geoffrey Chang, a crystallographer, retracted 3 Science articles, a Nature article, a PNAS article and a JMB article. The sum of 5 years of work was destroyed, apparently, over a single sign error in a data-processing program..."