Closing A Loophole In The RNA World Hypothesis

... New scientific research may close a major loophole in the RNA world hypothesis, the idea that ribonucleic acid -- not the fabled DNA that makes up genes in people and other animals -- was the key to life's emergence on Earth 4.6 billion years ago. That hypothesis states that RNA catalyzed all the biochemical reactions necessary to produce living organisms. [click link for full article] ...