RNA World Hypothesis in the Yahoo! Directory

Origin of Life on Earth
Collection of articles addressing the emergence of catalytic RNA, geologic time, and evolution.
www.geocities.com/CapeCanaveral/Lab/2948/orgel.html
The RNA World: A Critique
Takes a critical look at the scenario in which self-replicating RNA-based systems would have arisen first, and DNA and proteins would have been added later.
www.arn.org/docs/odesign/od171/rnaworld171.htm
Origins of Life and the RNA World: Never Underestimate the Power of Soup
Introduction to the RNA World hypothesis and the evidence that supports it so far.
www.postmodern.com/~jka/rnaworld/nfrna/nf-index.html
Did Life Begin in an "RNA World"?
Article arguing that the "RNA World" scenario is not a plausible explanation for the origin of life.
www.grisda.org/origins/20045.htm
Scientists Debate RNA's Role at Beginning of Life on Earth
Article examining the RNA World hypothesis.
www.mhhe.com/biosci/genbio/life/articles/article28.mhtml
Wikipedia: RNA World Hypothesis
Quickly describes the hypothesis that states that RNA was, before the emergence of the first cell, the dominant, and probably the only, form of life.
www.wikipedia.org/wiki/RNA_world_hypothesis