4.6 billion years ago...
the birth of Earth
3.9 billion years ago...the most primitive life
The Astronomical Aspects
The Chemical Aspects
The Biological Aspects
The Condition of Early Earth
The Molecular Clues To the Origin of Life on Earth
The Ages and the Dating Methods
The Biological Membrane: the Phospholipid Bilayer
The Prokaryotes Vs. the Eukaryotes
The Scientists & the Philosophers
The Miller Experiment
Darwin: The Origin of Species
Author: Charlie