This blog reports various researchs done by jean-claude perez during about 20 years related to possible numerical structure of DNA, genes and genomes and particularly golden ratio and Fibonacci numbers laws structuring DNA... A major part of this BREAKTHROUGH research is published in two books: "L'ADN décrypté" (DNA decyphered) - 1997 and "CODEX BIOGENESIS: les 13 codes de l'ADN (the 13 codes of DNA) - 2009 For more: jeanclaudeperez2@free.fr