Remember when evolution created all of biology one mutation at a time? That quaint idea from your high school biology class was about as likely as an alien world smashing into the Earth last Friday. But at least it had the virtue of not being circular. No such luck today as now evolution has to create itself. Call it evolvability, call it pre planned evolutionary pathways or call it just plain serendipity, it all means the same thing: Evolution must have constructed elaborate mechanisms and structures which then became crucial agents of evolution, creating all kinds of biological wonders. Simply put, evolution must have created evolution. In recent years such serendipity in the evolution narrative has skyrocketed. If it were a stock you would be a millionaire by now. And the latest IPOs are the spliceosomes and exons which, if evolution is true, must be crucial in the creation of, err, pretty much all the higher species. Read more