ScienceDaily (Sep. 10, 2008) — The precise timing of the origin of life on Earth and the changes in life during the past 4.5 billion years has been a subject of great controversy for the past century.
ScienceDaily (Sep. 10, 2008) — The precise timing of the origin of life on Earth and the changes in life during the past 4.5 billion years has been a subject of great controversy for the past century.