http://humanistheritage.org.uk/articles/john-maynard-smith/ > > Recommended. Without going into the actual chemical structure > of proteins and bases he explains how the biological code works > and also puts forward a theory about how it could have evolved.-A new commentary on how difficult it is to conceive of starting up the first cell and then complex life:- http://www.newscientist.com/article/dn18734-why-complex-life-probably-evolved-only-once... view of the same article:-http://www.physorg.com/news/2010-10-fuel-evolution-hypothesis-complex-life.html