As another comment noted, some of the participants in this thread about the interesting article kindly submitted here appear to be unaware of the factual basis for evolutionary theory. For anyone who wonders how we know that the earth is much more than 600 million years old, or how we know that current living things descended from a common ancestor, more or less remote depending on how closely related the current living things are, see 29+ Evidences for Macroevolution: The Scientific Case for Common Descent,[1] which is a very informative and interesting website with a lot of information about biological facts and geological facts that have been discovered since you and I graduated from high school.<p>[1] <a href="http:&#x2F;&#x2F;www.talkorigins.org&#x2F;faqs&#x2F;comdesc&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.talkorigins.org&#x2F;faqs&#x2F;comdesc&#x2F;</a>