The simplest thing that we know that reproduces itself is a cell.
Wrong again.
Ossai
I'm all ears. What's simpler?
I know viruses are simpler, but they need a host. The host+virus is more complex. I believe the aforementioned prions need a host as well. DNA and RNA replicate, but only in very elaborate conditions, such as inside cells. Dawkins speaks of replicators, but the Holy Grail of the current search for the origin of life is to find one simple enough that it could have arisen from something other than another replicator. Where did the first replicator come from?
A quick google search revealed papers like this one:
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1083737
EMBO Rep. 2000 September 15; 1(3): 217–222.
doi: 10.1093/embo-reports/kvd063.
Copyright © 2000 European Molecular Biology Organization
Composing life
Daniel Segré and Doron Lanceta
Department of Molecular Genetics and The Crown Human Genome Center, The Weizmann Institute of Science, Rehovot 76100, Israel
Received June 15, 2000; Revised July 28, 2000; Accepted August 4, 2000.
Abstract:
Textbooks often assert that life began with specialized complex molecules, such as RNA, that are capable of making their own copies. This scenario has serious difficulties, but an alternative has remained elusive. Recent research and computer simulations have suggested that the first steps toward life may not have involved biopolymers. Rather, non-covalent protocellular assemblies, generated by catalyzed recruitment of diverse amphiphilic and hydrophobic compounds, could have constituted the first systems capable of information storage, inheritance and selection. A complex chain of evolutionary events, yet to be deciphered, could then have led to the common ancestors of today’s free-living cells, and to the appearance of DNA, RNA and protein enzymes.
As long as that alternative remains elusive, and the complex chain of evolutionary events have yet to be deciphered, I will stand by my assertion that there is no experimental evidence of the original cell formation.
So, sorry Ossai, you made three assertions. I am ignorant. I am a creationist. And we have tons of evidence.
You're still 0 for 3, although the first assertion would be true to some extent for everyone. After all, we are all ignorant to some extent, as I'm sure you would agree. On second thought, I'm not sure you would agree, but it's true nonetheless.
Here's one tip for anyone trying to argue against "The Watchmaker" effectively. Don't overstate your own knowledge, and since the knowledge of the biological community itself is fairly limited, don't claim that scientists know how those "watches" were assembled. They don't know that, and if you say they do, you look foolish.
In the end, anything short of experimental demonstrations will be unconvincing. Instead, you have to focus on the possibility that someday, science will find the answer. In reality, biogenesis is no more than an hypothesis, awaiting experimental confirmation. Even evolution has limits in what you can absolutely claim. Yes, it's a confirmed theory, but be cautious claiming more knowledge than you have. It's an area of study still in its infancy.
ETA: I read the paper I linked. Cool stuff. Check out Polymer Gard and the Lipid World, if you're into the biochemical origins of life, and not afraid of some big words.