Carnival of Evoluion #22 is up!

... over at Beetles in the Bush. Go read it! Now!

Next month's carnival will be over at Evolution: Education and Outreach. Submit now through this handy-dandy little form!

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Quick background: Paul Erdös was a prolific mathematician. If you co-authored a paper with him, you have an Erdös number of 1. If you co-author a paper with someone with an Erdös number of 1, you have an Erdös number of 2.
My latest contribution to 10,000 Birds blog is a write up of some very interesting research that addresses the evolutionary history of the Penguin Tuxedo. Check it out.
But I'm certain that you will find some interesting things.
Hey there fellow nerds!