Researchers in Japan and China believe they have found new Molecular Fossils of archaea using a method of analysis commonly used in Forensic Science. Outcrop found at sampling site China [Credit: Kunio Kaiho]According to a system designed by microbiologist Carl Woese, there are three domains of life on Earth -- Bacteria, Archaea and Eukaryota. To date, the distribution of archaea remains unclear especially for geologic periods dating...

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