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Home page     Foreword     Abstract       Summary

I Introduction

II The calcium biochemistry probabilistic influence 

III The Mass extinctions

IV The mass extinction at the KT limit

V The four other mass extinctions

VI The Cambrian explosion

VII The iodine probabilistic influence in the biological evolution

VIII Iodine and Homo sapiens sapiens current settlement

IX A probabilistic interaction model between the PO2 PAL evolution and the biological evolution

X General conclusions

XI References